%0 Journal Article
%A V. G. Prikazchikov
%A Zh. P. Allanazarov
%T The accuracy of a~discrete spectral problem with a~mixed derivative
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1991
%P 83-85
%N 9
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_1991_9_a14/
%G ru
%F IVM_1991_9_a14