TY  - JOUR
TI  - The Tournament of the Towns' 11-th Summer Conference Problems
JO  - Matematičeskoe obrazovanie
PY  - 1999
SP  - 122
EP  - 149
IS  - 2-3
UR  - http://geodesic.mathdoc.fr/item/MO_1999_2-3_a5/
LA  - ru
ID  - MO_1999_2-3_a5
ER  -