%0 Journal Article
%A A. B. Kotlyar
%T On an upper bound on extrinsic curvatures for some classes of multidimensional surfaces in an $n$-dimensional Lobachevskii space
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1993
%P 9-18
%N 8
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_1993_8_a1/
%G ru
%F IVM_1993_8_a1