%0 Journal Article %A V. P. Mikhailov %T The first boundary value problem for quasi-elliptic and quasi-parabolic equations %J Informatics and Automation %D 1967 %P 81-99 %V 91 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1967_91_a6/ %G ru %F TRSPY_1967_91_a6