TY  - JOUR
AU  - L. D. Pustyl'nikov
TI  - On stability of half-trajectories under area-preserving mappings of the plane
JO  - Doklady Akademii Nauk
PY  - 1972
SP  - 38
EP  - 40
VL  - 202
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1972_202_1_a8/
LA  - ru
ID  - DAN_1972_202_1_a8
ER  -