TY - JOUR AU - A. A. Bolibrukh TI - On an analytic transformation to standard Birkhoff form JO - Doklady Akademii Nauk PY - 1994 SP - 553 EP - 555 VL - 334 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1994_334_5_a1/ LA - ru ID - DAN_1994_334_5_a1 ER -