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@article{IVM_1993_7_a4, author = {A. B. Kotlyar}, title = {On the upper bound on the {Gaussian} curvature for a~class of irregular surfaces}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {29--34}, publisher = {mathdoc}, number = {7}, year = {1993}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1993_7_a4/} }
A. B. Kotlyar. On the upper bound on the Gaussian curvature for a~class of irregular surfaces. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 7 (1993), pp. 29-34. http://geodesic.mathdoc.fr/item/IVM_1993_7_a4/