%0 Journal Article
%A M. A. Akivis
%T Completely isotropic submanifolds of a~four-dimensional pseudoconformal structure
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1983
%P 3-11
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_1983_1_a0/
%G ru
%F IVM_1983_1_a0