Theory of ordinary differential equations
Coddington, Earl A.
Theory of ordinary differential equations - New York : McGraw-Hill, 1955 - 429 p. : il. - International series in pure and applied mathematics .
515.32 / C669
Theory of ordinary differential equations - New York : McGraw-Hill, 1955 - 429 p. : il. - International series in pure and applied mathematics .
515.32 / C669