%0 Journal Article %A S. Fempl %T On a system of partial differential equations the solution of which can be reduced to that of an equation of Clairaut type %J Differencialʹnye uravneniâ %D 1965 %P 698-700 %V 1 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1965_1_5_a12/ %G ru %F DE_1965_1_5_a12