%0 Journal Article
%A M. A. Akivis
%A V. V. Goldberg
%T Varieties with a degenerate Gauss mapping with multiple foci, and twisted cones
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 2003
%P 3-14
%N 11
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_2003_11_a0/
%G ru
%F IVM_2003_11_a0