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@article{IVM_1962_4_a14, author = {V. D. Podsypanin}, title = {On a property of {Pythagorean} numbers}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {130--133}, publisher = {mathdoc}, number = {4}, year = {1962}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1962_4_a14/} }
V. D. Podsypanin. On a property of Pythagorean numbers. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 4 (1962), pp. 130-133. http://geodesic.mathdoc.fr/item/IVM_1962_4_a14/