%0 Journal Article %A V. A. Mikhailets %T A~refinement of the asymptotic formulae for the spectrum of the Laplace operator in domains of the form $G=G_1\times G_2$ %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1978 %P 259-260 %V 33 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1978_33_4_a13/ %G en %F RM_1978_33_4_a13