por Narváez Bello, Sandra Patricia [author.].
por Kemmer, N [author.] | Lines Escardo, Enrique [contributor agent of text.] | Sánchez Sánchez, Juan Pedro, 1929- [translator.] | Kemmer, N. Vector analysis.
por Soler Fajardo, Francisco [author.] | Molina Focazzio, Fabio [author.] | Rojas Cortés, Lucio [author.].