TY - JOUR TI - Problems of the 16-th Tournament of the Towns Summer Conference JO - Matematičeskoe obrazovanie PY - 2004 SP - 78 EP - 107 IS - 3 UR - http://geodesic.mathdoc.fr/item/MO_2004_3_a3/ LA - ru ID - MO_2004_3_a3 ER -