TY - JOUR AU - Yu. A. Aminov TI - Divergence properties of the curvatures of a~vector field and of a~family of surfaces JO - Matematičeskie zametki PY - 1968 SP - 103 EP - 111 VL - 3 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1968_3_1_a12/ LA - ru ID - MZM_1968_3_1_a12 ER -