%0 Journal Article %A O. V. Khramtsov %T Three-point controllability of stationary Pfaffian systems %J Differencialʹnye uravneniâ %D 1985 %P 2082-2086 %V 21 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1985_21_12_a8/ %G ru %F DE_1985_21_12_a8