TY - JOUR AU - A. A. Utkin TI - A geometric condition for a triple of curves in a three-dimensional projective space to belong to a normcurve JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1989 SP - 82 EP - 84 IS - 5 UR - http://geodesic.mathdoc.fr/item/IVM_1989_5_a16/ LA - ru ID - IVM_1989_5_a16 ER -