TY - JOUR AU - V. I. Bashkov TI - A~complete series of identities for the second covariant derivatives of the curvature tensor JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1968 SP - 16 EP - 17 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1968_1_a1/ LA - ru ID - IVM_1968_1_a1 ER -