TY - JOUR AU - A.I. Shnirelman TI - Attainable Diffeomorphisms. JO - Geometric and functional analysis PY - 1993 SP - 279 EP - 294 VL - 3 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/GFA_1993__3_6_58127/ ID - GFA_1993__3_6_58127 ER -