TY - BOOK AU - Courant,Richard AU - Hilbert,David TI - Methods of mathematical physics - Vol.1 SN - 9788126515776 U1 - 530.15 PY - 2004/// CY - New Delhi PB - Wiley India Pvt. Ltd, KW - Mathematics KW - The calculus of variations KW - Euler equations KW - Asymptotic expansions N1 - Includes bibliographical references and index. ER -