TY - JOUR AU - A. O. Ignatyev TI - Stability with respect to some of the variables under constantly acting perturbations JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1991 SP - 55 EP - 60 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1991_2_a7/ LA - ru ID - IVM_1991_2_a7 ER -