%0 Journal Article %A V. I. Maksimov %T A positional control problem in nonlinear parabolic systems %J Differencialʹnye uravneniâ %D 1992 %P 961-967 %V 28 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1992_28_6_a5/ %G ru %F DE_1992_28_6_a5