TY - JOUR AU - O. A. Ivanov TI - Quadratic forms of closed manifolds JO - Zapiski Nauchnykh Seminarov POMI PY - 1982 SP - 104 EP - 108 VL - 122 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1982_122_a8/ LA - ru ID - ZNSL_1982_122_a8 ER -