Differential equations with boundary-value problems /zill dennis g 1940著
Calculus with analytic geometry /zill dennis g 1940著
Advanced engineering mathematics /zill dennis g 1940著
Basic mathematics for calculus /zill dennis g 1940著
Complex analysis : a first course with applications /zill dennis g 1940著
Calculus /zill dennis g 1940著
A first course in differential equations with applications /zill dennis g 1940著