TY - JOUR AU - R. S. Ismagilov TI - A central extension of the group of volume-preserving diffeomorphisms, as inductive limit of groups of diffeomorphisms of coordinate neighborhoods JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1979 SP - 71 EP - 72 VL - 13 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1979_13_4_a13/ LA - ru ID - FAA_1979_13_4_a13 ER -