TY - JOUR AU - T. M. Boguslavskaya AU - M. A. Polovtseva AU - T. A. Timoshenko TI - Invariant Riemannian and pseudo-Riemannian metrics in manifolds of images of cosymmetries in projective spaces JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1990 SP - 21 EP - 31 IS - 12 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1990_12_a2/ LA - ru ID - IVM_1990_12_a2 ER -