TY - JOUR AU - E. I. Shustin TI - Versal deformations in the space of planar curves of fixed degree JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1987 SP - 90 EP - 91 VL - 21 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1987_21_1_a18/ LA - ru ID - FAA_1987_21_1_a18 ER -