TY  - BOOK
A1  - Polya, George, 1887-1985
TI  - Combinatorial enumeration of groups, graphs, and chemical compounds
PB  - کتابخانه مرکزی دانشگاه صنعتی اصفهان
SN  - 104422032
UR  /book/104422032/Combinatorial-enumeration-of-groups-graphs-and-c/
ER  -