Ordinary differential equations.
BIRKHOFF (Garrett);ROTA (Gian-Carlo).
Ordinary differential equations. - 4 - New York John Wiley & Sons 1989 - xi,399 PB
8125904824
515.35 BIRG
Ordinary differential equations. - 4 - New York John Wiley & Sons 1989 - xi,399 PB
8125904824
515.35 BIRG