00301cam a2200169 450000500170000024500260001702000050004310000340004804400050008225000050008704100080009230000050010050000050010583000050011026000090011508200070012420260711133835.0 aCalculo numerico IIb a aUNEDGasca Gónzalez, Mariano a a aspa a a v abc ab