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pro vyhledávání: '"Ya. S. Nasedkina"'
Autor:
Ya. S. Nasedkina
Publikováno v:
Ukrainian Mathematical Journal. 68:399-405
We consider a submanifold F n with n principal directions in the space E n+p , where p ≥ n − 1.
Autor:
Yu. A. Aminov, Ya. S. Nasedkina
Publikováno v:
Mathematical Notes. 94:167-176
Two theorems on conditions under which a two-dimensional surface in Euclidean 5-space is contained in a hypersphere and one theorem on conditions under which such a surface is contained in a hyperplane are proved. The notion of hyperbolic and ellipti