Elementary differential equations and boundary value problems
Boyce, William E.
Elementary differential equations and boundary value problems - 3rd - New York John Wiley & Sons 1977 - 582
0-471-83180-8
Differential equations
C 515.35 B692e 1977
Elementary differential equations and boundary value problems - 3rd - New York John Wiley & Sons 1977 - 582
0-471-83180-8
Differential equations
C 515.35 B692e 1977