LOUIS COMTET University of Paris-Sud (Orsay), France ADVANCED COMBINATORICS The Art of Finite and Infinite Expansions

LINK ORIGINAL EN LA WEB
https://archive.org/details/Comtet_Louis_-_Advanced_Coatorics
LINK DIRECTO FORMATO PDF
https://archive.org/download/Comtet_Louis_-_Advanced_Coatorics/Comtet_Louis_-_Advanced_Combinatorics.pdf