TY - BOOK AU - Ghosh, Ram Krishna TI - An introduction to differential equations SN - 8173812373 (pbk) U1 - 515.35 PY - 2011/// CY - New Delhi PB - New Central Book Agency KW - Differential equations KW - Linear equations KW - Linear operator KW - Physical applications KW - RCST N1 - Includes index ER -