TY - JOUR AU - Yu. V. Malyshev TI - ${\rm C}-{\rm N}$ investigation of systems close to homogeneous ones JO - Differencialʹnye uravneniâ PY - 1968 SP - 233 EP - 237 VL - 4 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1968_4_2_a3/ LA - ru ID - DE_1968_4_2_a3 ER -