Ecuaciones Diferenciales Elementales y Problemas con Valores en la Frontera - 8va Edicion - W. Boyce & R. DiPrima

http://www.4shared.com/file/54967938/f2ead4ad/_Boyce_333Differential_Equations_8E_solution.html?dirPwdVerified=a091d69a
http://www.4shared.com/file/54967938/f2ead4ad/_Boyce_333Differential_Equations_8E_solution.html