TY - JOUR AU - G. R. Belitskii TI - Plane stable germs of $C^\infty$-maps and their linear approximations JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1974 SP - 61 EP - 62 VL - 8 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1974_8_2_a8/ LA - ru ID - FAA_1974_8_2_a8 ER -