TY  - GEN
AU  - Gavrilov, G. P.
AU  - Wadha, Ram S.
AU  - Wadha, Natalia V.
TI  - Selected Problems in Discrete Mathematics
SN  - 5-03-000522-6
U1  - 510/GAV/SAP 
PY  - 1989///
CY  - Moscow
PB  - Mir Publication
KW  - boolean, monotpnicity, graphs, bipolar, permutations and combination
ER  -