Ordinary differential equations
Birkhoff, Garrett
Ordinary differential equations / by Garrett Birkhoff & Gian-Carlo Rota - 4th ed. - new york John wiley & sons 1989 - 399p.
515.352 / BIR/O
Ordinary differential equations / by Garrett Birkhoff & Gian-Carlo Rota - 4th ed. - new york John wiley & sons 1989 - 399p.
515.352 / BIR/O
