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The spherical mean value operator with centers on a sphere D Finch Inverse Problems 23 (6), S37, 2007 | 87 | 2007 |

Recovering a function from its spherical mean values in two and three dimensions D Finch Photoacoustic imaging and spectroscopy, 77-88, 2017 | 67 | 2017 |

The range of the spherical mean value operator for functions supported in a ball D Finch Inverse Problems 22 (3), 923, 2006 | 57 | 2006 |

A linearised inverse problem for the wave equation Rakesh Communications in Partial Differential Equations 13 (5), 573-601, 1988 | 51 | 1988 |

Numerical solution of a time‐like Cauchy problem for the wave equation M Klibanov, Rakesh Mathematical methods in the applied sciences 15 (8), 559-570, 1992 | 50 | 1992 |

Property C and an inverse problem for a hyperbolic equation AG Ramm Journal of mathematical analysis and applications 156 (1), 209-219, 1991 | 47 | 1991 |

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Spherical means with centers on a hyperplane in even dimensions EK Narayanan Inverse Problems 26 (3), 035014, 2010 | 33 | 2010 |

Spectral analysis of Brownian motion with jump boundary Y Leung, W Li Proceedings of the American Mathematical Society 136 (12), 4427-4436, 2008 | 21 | 2008 |

Trace identities for solutions of the wave equation with initial data supported in a ball D Finch Mathematical methods in the applied sciences 28 (16), 1897-1918, 2005 | 19 | 2005 |

Uniqueness for the inverse backscattering problem for angularly controlled potentials G Uhlmann Inverse Problems 30 (6), 065005, 2014 | 15 | 2014 |

Impedance inversion from transmission data for the wave equation P Sacks Wave Motion 24 (3), 263-274, 1996 | 8 | 1996 |

The fixed angle scattering problem and wave equation inverse problems with two measurements M Salo Inverse Problems 36 (3), 035005, 2020 | 7 | 2020 |

The point source inverse back-scattering problem G Uhlmann arXiv preprint arXiv:1403.1766, 2014 | 7 | 2014 |

Stability for an inverse problem for a two-speed hyperbolic PDE in one space dimension P Sacks Inverse problems 26 (2), 025005, 2009 | 7 | 2009 |

Uniqueness for a hyperbolic inverse problem with angular control on the coefficients P Sacks Walter de Gruyter GmbH & Co. KG 19 (1), 107-126, 2011 | 5 | 2011 |