TY - JOUR AU - J. H. Bernstein TI - On the set traced by a straight line segment JO - Doklady Akademii Nauk PY - 1962 SP - 11 EP - 13 VL - 146 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1962_146_1_a1/ LA - ru ID - DAN_1962_146_1_a1 ER -