TY - JOUR AU - V. I. Gracheva TI - On the question of $K_{af}$-linearizing straight lines and planes of differentiable mappings of Euclidean spaces JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1978 SP - 19 EP - 31 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1978_5_a2/ LA - ru ID - IVM_1978_5_a2 ER -