TY - JOUR AU - M. B. Sevryuk TI - Invariant tori of reversible systems of intermediate dimensions JO - Doklady Akademii Nauk PY - 1993 SP - 550 EP - 553 VL - 328 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1993_328_5_a5/ LA - ru ID - DAN_1993_328_5_a5 ER -