Reshetnyak, Yu. G. Yuriĭ Fedorovich Borisov (on the occasion of 80th birthday). (Russian. English summary) Zbl 1095.01505 Sib. Èlektron. Mat. Izv. 2, A.1-A.4 (2005). These are personal reminiscences about Professor Yu. F. Borisov (born 15.07.1925) known due to his contributions to geometry of non-smooth Riemannian spaces and mathematical foundations of relativity theory. Reviewer: Victor Alexandrov (Novosibirsk) MSC: 01A70 Biographies, obituaries, personalia, bibliographies 01A60 History of mathematics in the 20th century 53C45 Global surface theory (convex surfaces à la A. D. Aleksandrov) Keywords:Leningrad State University; Novosibirsk State University; Alexandrov’s school; Sobolev Institute of Mathematics Biographic References: Borisov, Yuriĭ Fedorovich PDFBibTeX XMLCite \textit{Yu. G. Reshetnyak}, Sib. Èlektron. Mat. Izv. 2, A.1-A.4 (2005; Zbl 1095.01505) Full Text: EuDML