TY  - BOOK
AU  - Borowiecki,Mieczysław
AU  - Skupień,Zdzisław
TI  - Combinatorics and Graph Theory
SN  - 8301093005
PY  - 1989///
CY  - Warszawa
PB  - Polish Scientific Publ.
N1  - Polish Academy of Sciences; bibliogr
ER  -