TY - JOUR AU - A. V. Gavrilov TI - Algebraic Properties of Covariant Derivative and Composition of Exponential Maps JO - Matematičeskie trudy PY - 2006 SP - 3 EP - 20 VL - 9 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MT_2006_9_1_a0/ LA - ru ID - MT_2006_9_1_a0 ER -