%0 Journal Article
%A M. G. Gimadislamov
%T Sufficient conditions that the minimum and maximum of partial differential operators should coincide and that their spectra should be discrete
%J Matematičeskie zametki
%D 1968
%P 301-312
%V 4
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1968_4_3_a5/
%G ru
%F MZM_1968_4_3_a5