TY  - JOUR
TI  - IV International Seminar on Discrete Mathematics and Applications
JO  - Vestnik Moskovskogo universiteta. Matematika, mehanika
PY  - 1993
SP  - 78
EP  - 82
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VMUMM_1993_5_a19/
LA  - ru
ID  - VMUMM_1993_5_a19
ER  -