TY - JOUR AU - S. V. Zharov TI - Generalizing and Specialization of Geometric Figures' JO - Matematičeskoe obrazovanie PY - 2016 SP - 17 EP - 20 IS - 2 UR - http://geodesic.mathdoc.fr/item/MO_2016_2_a2/ LA - ru ID - MO_2016_2_a2 ER -