TY - JOUR AU - Yu. V. Malyshev TI - Qualitative investigation of critical cases of stability of motion JO - Differencialʹnye uravneniâ PY - 1984 SP - 1715 EP - 1720 VL - 20 IS - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1984_20_10_a7/ LA - ru ID - DE_1984_20_10_a7 ER -