TY - JOUR AU - L. V. Eremina AU - L. B. Lobanova TI - Plural quadratic noneuclidean spaces and their application to the theory of real quadrics JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1968 SP - 29 EP - 35 IS - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1968_9_a3/ LA - ru ID - IVM_1968_9_a3 ER -