TY - JOUR AU - S. I. Sokolovskaya TI - On connections induced on surfaces of a projective space by the Bortolotti equipments JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 1998 SP - 33 EP - 37 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_1998_1_a7/ LA - ru ID - VMUMM_1998_1_a7 ER -