%0 Journal Article %A K. Kh. Boimatov %T Two-sided estimates of the eigenvalues of the Dirichlet problem for a~class of degenerate elliptic differential operators %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1985 %P 16-28 %V 172 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_1985_172_a2/ %G ru %F TM_1985_172_a2