TY - JOUR AU - A. A. Reinfeld TI - Smooth linearization of a ``node'' JO - Differencialʹnye uravneniâ PY - 1977 SP - 1885 EP - 1887 VL - 13 IS - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1977_13_10_a23/ LA - ru ID - DE_1977_13_10_a23 ER -