TY - BOOK AU - Kreyszig, Erwin TI - Advanced engineering mathematics SN - 81-224-0016-7 U1 - 510.2462 PY - 1985/// CY - New Delhi PB - Wiley KW - Differential equation KW - Eng. mathmatics KW - Fourier series KW - Matries N1 - Includes bibliographical references and index ER -