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- [23] On a problem of integral geometry related to the Dirichlet problem for an ultrahyperbolic equation Differential Equations, 2011, 47 : 1215 - 1218
- [25] INTEGRAL GEOMETRY AND THE PROBLEM OF DEFINITION OF RIEMANNIAN METRICS DOKLADY AKADEMII NAUK SSSR, 1991, 316 (05): : 1033 - 1034