APA

leighton w., . (1976). A first course in ordinary differential equations. belmont: wadsworth pub. co.

Chicago

leighton walter, . 1976. A first course in ordinary differential equations. belmont: wadsworth pub. co.

Harvard

leighton w., . (1976). A first course in ordinary differential equations. belmont: wadsworth pub. co.

MLA

leighton walter, . A first course in ordinary differential equations. belmont: wadsworth pub. co. 1976.