%0 Journal Article %A O. V. Khramtsov %T Controllability of linear Cauchy–Kovalevskaya systems with constant coefficients %J Differencialʹnye uravneniâ %D 1989 %P 2013-2014 %V 25 %N 11 %U http://geodesic.mathdoc.fr/item/DE_1989_25_11_a31/ %G ru %F DE_1989_25_11_a31