%0 Journal Article
%A È. L. Pekarev
%T Regular and completely nonregular systems of colligations and their characteristic functions
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1980
%P 73-75
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_1980_2_a10/
%G ru
%F IVM_1980_2_a10