TY - JOUR AU - V. K. Gavrilov TI - Line segment, to divide it or to construct it from parts Gavrilov JO - Matematičeskoe obrazovanie PY - 2018 SP - 2 EP - 7 IS - 2 UR - http://geodesic.mathdoc.fr/item/MO_2018_2_a0/ LA - ru ID - MO_2018_2_a0 ER -