%0 Journal Article
%A A. S. Bratus'
%A A. D. Myshkis
%T The relation between the first and second natural frequencies of vibrations of a membrane
%J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki
%D 1992
%P 320-325
%V 32
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZVMMF_1992_32_2_a11/
%G ru
%F ZVMMF_1992_32_2_a11