TY - JOUR AU - O. Ya. Viro TI - Compact four-dimensional exotica with small homology JO - Algebra i analiz PY - 1989 SP - 67 EP - 77 VL - 1 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AA_1989_1_4_a3/ LA - ru ID - AA_1989_1_4_a3 ER -