TY - JOUR TI - The Tournament of the Towns Problems: the Autumn Tour, 1999 JO - Matematičeskoe obrazovanie PY - 1999 SP - 59 EP - 62 IS - 4 UR - http://geodesic.mathdoc.fr/item/MO_1999_4_a6/ LA - ru ID - MO_1999_4_a6 ER -