TY - JOUR AU - V. G. Lemlein TI - Spaces of symmetric almost symplectic connectivity JO - Doklady Akademii Nauk PY - 1957 SP - 655 EP - 658 VL - 115 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1957_115_4_a5/ LA - ru ID - DAN_1957_115_4_a5 ER -