%0 Journal Article
%A N. S. Nadirashvili
%T An isoperimetric inequality for the main frequency of a clamped plate
%J Doklady Akademii Nauk
%D 1993
%P 436-439
%V 332
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1993_332_4_a9/
%G ru
%F DAN_1993_332_4_a9