TY - BOOK AU - Bender, C M AU - Orszag, SA TI - Advance mathematical methods for scientists and engineers:asymptotic methods and pertubation theory SN - 9788181289063 U1 - 510.5-051 PY - 2008/// CY - New York PB - Springer KW - DIFFERENTIAL EQUATION -NUMERICAL SOLUTIONS KW - ENGINEERING MATHEMATICS KW - SCIENCE-MATHEMATICS ER -