TY - BOOK AU - Nayfeh,Ali Hasan TI - Introduction to peturbation techniques SN - 0471310131 (pbk) U1 - 515.35 22 PY - 2004///] CY - Weinheim PB - Wiley-VCH KW - Differential equations KW - Numerical solutions KW - BUEsh KW - Equations KW - Perturbation (Mathematics) KW - ENGELC KW - March2015 KW - Reading book N1 - Includes bibliographical references and index ER -