TY  - JOUR
AU  - Ya. M. Eliashberg
TI  - A theorem on the structure of wave fronts and its applications in symplectic topology
JO  - Funkcionalʹnyj analiz i ego priloženiâ
PY  - 1987
SP  - 65
EP  - 72
VL  - 21
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/FAA_1987_21_3_a6/
LA  - ru
ID  - FAA_1987_21_3_a6
ER  -