%0 Journal Article
%A P. P. Tammela
%T An estimate of the criticl determinant of a~two-dimensional convex symmetric domain
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1970
%P 103-107
%N 12
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_1970_12_a14/
%G ru
%F IVM_1970_12_a14