%0 Journal Article %A T. D. Dzhuraev %A Ya. Popelek %T Classification and reduction to canonical form of third-order partial differential equations %J Differencialʹnye uravneniâ %D 1991 %P 1734-1745 %V 27 %N 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1991_27_10_a10/ %G ru %F DE_1991_27_10_a10