Boyce, W. E.
Elementary differential equations and boundary value problems - 9th ed. - New Delhi Wiley 2009 - xix, 796p.
9780470735862
Differential equations.
Boundary value problems.
515.35 BOY/E
Elementary differential equations and boundary value problems - 9th ed. - New Delhi Wiley 2009 - xix, 796p.
9780470735862
Differential equations.
Boundary value problems.
515.35 BOY/E