| Existence results for nonlocal boundary value problems of nonlinear fractional q-difference equations B Ahmad, SK Ntouyas, IK Purnaras Advances in Difference Equations 2012 (1), 140, 2012 | 183 | 2012 |
| Global attractivity in a nonlinear difference equation CG Philos, IK Purnaras, YG Sficas Applied Mathematics and Computation 62 (2-3), 249-258, 1994 | 81 | 1994 |
| Positive solutions for systems of generalized three-point nonlinear boundary value problems J Henderson, SK Ntouyas, IK Purnaras Comment. Math. Univ. Carolin 49 (1), 79-91, 2008 | 65 | 2008 |
| Asymptotic to polynomials solutions for nonlinear differential equations CG Philos, IK Purnaras, PC Tsamatos Nonlinear Analysis: Theory, Methods & Applications 59 (7), 1157-1179, 2004 | 55 | 2004 |
| Periodic first order linear neutral delay differential equations CG Philos, IK Purnaras Applied Mathematics and Computation 117 (2-3), 203-222, 2001 | 49 | 2001 |
| Positive solutions for systems of nonlinear discrete boundary value problems J Henderson, SK Ntouyas, IK Purnaras Journal of Difference Equations and Applications 15 (10), 895-912, 2009 | 48 | 2009 |
| Existence results for nonlinear q-difference equations with nonlocal boundary conditions B Ahmad, SK Ntouyas, IK Purnaras | 46 | 2012 |
| Positive solutions for systems of m‐point nonlinear boundary value problems J Henderson, SK Ntouyas, IK Purnaras Mathematical Modelling and Analysis 13 (3), 357-370, 2008 | 46 | 2008 |
| Asymptotic properties, nonoscillation, and stability for scalar first order linear autonomous neutral delay differential equations. CG Philos, IK Purnaras Electronic Journal of Differential Equations (EJDE)[electronic only] 2004 …, 2004 | 37 | 2004 |
| An asymptotic result for some delay difference equations with continuous variable CG Philos, IK Purnaras Advances in Difference Equations 2004 (1), 679264, 2004 | 32 | 2004 |
| An inversion of a fractional differential equation and fixed points LC Becker, TA Burton, IK Purnaras Nonlinear Dyn. Syst. Theory 15 (3), 242-271, 2015 | 29 | 2015 |
| Positive solutions for systems of second order four-point nonlinear boundary value problems J Henderson, SK Ntouyas, IK Purnaras Communications in Applied Analysis 12 (1), 29-40, 2008 | 29 | 2008 |
| Positive solutions for systems of three-point nonlinear discrete boundary value problems J Henderson, SK Ntouyas, IK Purnaras Neural, Parallel and Scientific Computations 16 (2), 209, 2008 | 28 | 2008 |
| Complementary equations: A fractional differential equation and a Volterra integral equation L Becker, T Burton, I Purnaras Electronic Journal of Qualitative Theory of Differential Equations 2015 (12 …, 2015 | 27 | 2015 |
| On the oscillation of second order nonlinear differential equations CG Philos, IK Purnaras Archiv der Mathematik 59 (3), 260-271, 1992 | 27 | 1992 |
| Oscillations in superlinear differential equations of second order CG Philos, IK Purnaras Journal of mathematical analysis and applications 165 (1), 1-11, 1992 | 27 | 1992 |
| A note on the existence of solutions to some nonlinear functional integral equations I Purnaras Electronic Journal of Qualitative Theory of Differential Equations 2006 (17 …, 2006 | 26 | 2006 |
| Lp-solutions of singular integro-differential equations TA Burton, IK Purnaras Journal of Mathematical Analysis and Applications 386 (2), 830-841, 2012 | 25 | 2012 |
| Asymptotic properties of solutions to linear non-autonomous neutral differential equations JG Dix, CG Philos, IK Purnaras Journal of mathematical analysis and applications 318 (1), 296-304, 2006 | 24 | 2006 |
| A boundary value problem on the whole line to second order nonlinear differential equations CG Philos, IK Purnaras Georgian Mathematical Journal 17 (2), 373-390, 2010 | 21 | 2010 |
