TY - JOUR AU - M. E. Kazarian TI - First Order Invariants of Strangeness Type for Plane Curves JO - Informatics and Automation PY - 1998 SP - 213 EP - 224 VL - 221 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TRSPY_1998_221_a11/ LA - ru ID - TRSPY_1998_221_a11 ER -