%0 Journal Article
%A V. V. Dubrovskii
%A E. A. Puzankova
%T An estimate for the difference of spectral functions, and regularized trace formulas for a power of the Laplace operator defined on a triangle or a square, in $L_p$, $1\le p\le2$
%J Differencialʹnye uravneniâ
%D 1999
%P 552-555
%V 35
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1999_35_4_a13/
%G ru
%F DE_1999_35_4_a13