%0 Journal Article %A V. A. Zaitsev %T Quasidifferential equation controllability %J Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹûternye nauki %D 2009 %P 90-100 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/VUU_2009_1_a3/ %G ru %F VUU_2009_1_a3