TY - JOUR AU - I. V. Matrosov TI - Estimates for solutions in critical cases of stability theory JO - Differencialʹnye uravneniâ PY - 1999 SP - 745 EP - 754 VL - 35 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1999_35_6_a4/ LA - ru ID - DE_1999_35_6_a4 ER -