Stanley, Richard P.
Enumerative Combinatorics, V.2 - Cambridge Cambridge University Press 1999 - 581 - Cambridge Studies in Advanced Mathematics, V.62 .
0521560691
Combinatorical enumeration problems
511 STA
Enumerative Combinatorics, V.2 - Cambridge Cambridge University Press 1999 - 581 - Cambridge Studies in Advanced Mathematics, V.62 .
0521560691
Combinatorical enumeration problems
511 STA