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@article{IVM_1968_11_a9, author = {E. T. Ivlev}, title = {Certain geometric objects of a~multidimensional surface in nondegenerate noneuclidean spaces}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {93--104}, publisher = {mathdoc}, number = {11}, year = {1968}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1968_11_a9/} }
TY - JOUR AU - E. T. Ivlev TI - Certain geometric objects of a~multidimensional surface in nondegenerate noneuclidean spaces JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1968 SP - 93 EP - 104 IS - 11 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1968_11_a9/ LA - ru ID - IVM_1968_11_a9 ER -
E. T. Ivlev. Certain geometric objects of a~multidimensional surface in nondegenerate noneuclidean spaces. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 11 (1968), pp. 93-104. http://geodesic.mathdoc.fr/item/IVM_1968_11_a9/