TY - BOOK AU - Courant, R. AU - Hilbert, D. TI - Methods of mathematical physics: : Partial differential equations SN - 9788126515783 U1 - 530.15 PY - 2008/// CY - New Delhi: PB - Wiley India Pvt. Ltd., KW - Differential equations KW - Hyperbolicity KW - Linear system KW - Physics ER -