TY - JOUR TI - On the Web-page of the Journal "Mathematical Education" JO - Matematičeskoe obrazovanie PY - 2008 SP - 63 VL - 48 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MO_2008_48_4_a6/ LA - ru ID - MO_2008_48_4_a6 ER -