TY - JOUR TI - Outstanding historian of education Rebekka Zalmanovna Gushel JO - Matematičeskoe obrazovanie PY - 2017 SP - 63 EP - 64 IS - 1 UR - http://geodesic.mathdoc.fr/item/MO_2017_1_a8/ LA - ru ID - MO_2017_1_a8 ER -