TY - BOOK AU - Bender, Carl M AU - Orszag, SA TI - Advanced mathematical methods for scientists and engineers I: asymptotic methods and perturbation theory SN - 9788181289063 U1 - 510.5-051 PY - 2010/// CY - New York PB - Springer KW - DIFFERENCE EQUATION-NUMERICAL SOLUTIONS KW - DIFFERENTIAL EQUATION-NUMERICAL SOLUTIONS KW - ENGINEERING- MATHEMATICS ER -