%0 Journal Article %A I. A. Kipriyanov %A V. I. Kononenko %T The fundamental solutions of certain singular partial differential equations %J Differencialʹnye uravneniâ %D 1969 %P 1470-1483 %V 5 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1969_5_8_a13/ %G ru %F DE_1969_5_8_a13