TY - JOUR TI - The XXV-th Interregional Math Olympiad for School Students SAMMAT JO - Matematičeskoe obrazovanie PY - 2017 SP - 3 EP - 14 VL - 81 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MO_2017_81_1_a1/ LA - ru ID - MO_2017_81_1_a1 ER -