%0 Journal Article %A V. P. Mikhailov %T The first boundary value problem for quasi-elliptic and quasi-parabolic equations %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1967 %P 81-99 %V 91 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_1967_91_a6/ %G ru %F TM_1967_91_a6