%0 Journal Article
%A R. N. Abaidullin
%T Operating system SIGMA: Principles of system organization
%J Issledovaniya po Prikladnoi Matematike i Informatike
%D 1977
%P 35-39
%I mathdoc
%U http://geodesic.mathdoc.fr/item/KUIPM_1977_a5/
%G ru
%F KUIPM_1977_a5