TY - JOUR AU - A. N. Belyaeva AU - I. G. Egorov TI - On the A{\v\i}zerman problem for a second-order system JO - Differencialʹnye uravneniâ PY - 1991 SP - 1297 EP - 1303 VL - 27 IS - 8 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1991_27_8_a1/ LA - ru ID - DE_1991_27_8_a1 ER -