por Zill, Dennis G, 1940- [autor] | Zill, Dennis G, 1940-. Differential equations with boundary-value problems | Wright, Warren S [autor] | Ibarra Escutia, Joel [autor] | Cullen, Michael R [autor] | García Hernández, Ana Elizabeth [traductor,].
por Mesa, Fernando [autor] | Martínez Acosta, Alejandro [autor] | Gonzalez Granada, José Rodrigo [autor].
por Ortiz Badilla, Laura [autor] | Rosales González, Ernesto, 1960- [autor].
por Ramirez Galarza, Ana Irene [autor].