TY  - JOUR
AU  - N. V. Dubovitskaya
AU  - V. M. Imaykin
TI  - Certain problems from old issues of “Mathematical Education"
JO  - Matematičeskoe obrazovanie
PY  - 1997
SP  - 76
EP  - 78
IS  - 1
UR  - http://geodesic.mathdoc.fr/item/MO_1997_1_a4/
LA  - ru
ID  - MO_1997_1_a4
ER  -