TY  - JOUR
AU  - V. A. Vassiliev
TI  - Self-intersections of wave fronts and Legendre (Lagrangian) characteristic numbers
JO  - Funkcionalʹnyj analiz i ego priloženiâ
PY  - 1982
SP  - 68
EP  - 69
VL  - 16
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/FAA_1982_16_2_a8/
LA  - ru
ID  - FAA_1982_16_2_a8
ER  -