Rota, Gian-Carlo
Finite operator calculus - New York Academic Press 1975 - 159
B32 L5
0125966504
Combinatorial enumeration problems
Linear operators
Generating functions
Commutative rings
Valuation theory
517 ROTA
Finite operator calculus - New York Academic Press 1975 - 159
B32 L5
0125966504
Combinatorial enumeration problems
Linear operators
Generating functions
Commutative rings
Valuation theory
517 ROTA