%0 Journal Article
%A N. E. Tokmagambetov
%A B. T. Torebek
%T Symmetric differential operators of fractional order and their extensions
%J Trudy Moskovskogo matematičeskogo obŝestva
%D 2018
%P 209-219
%V 79
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MMO_2018_79_2_a1/
%G ru
%F MMO_2018_79_2_a1