%0 Journal Article %A A. O. Ignatyev %T Stability with respect to some of the variables under constantly acting perturbations %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1991 %P 55-60 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1991_2_a7/ %G ru %F IVM_1991_2_a7