TY - JOUR AU - A. Yu. Evnin TI - Problems of math competition of the South Ural State University JO - Matematičeskoe obrazovanie PY - 2015 SP - 26 EP - 52 IS - 4 UR - http://geodesic.mathdoc.fr/item/MO_2015_4_a2/ LA - ru ID - MO_2015_4_a2 ER -