TY  - JOUR
AU  - Kelevedjiev, Emil
AU  - Branzov, Todor
AU  - Petrov, Petar
AU  - Shalamanov, Marin
TI  - Bulgarian platform for competitions in informatics
JO  - Mathematics and Education in Mathematics
PY  - 2020
SP  - 123
EP  - 130
VL  - 49
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MEM_2020_49_a11/
LA  - bg
ID  - MEM_2020_49_a11
ER  -