TY - JOUR AU - A. A. Zorin TI - On a relation between sphericity and weak symmetry of homogeneous spaces of reductive groups JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 2005 SP - 14 EP - 18 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_2005_4_a3/ LA - ru ID - VMUMM_2005_4_a3 ER -