TY - GEN AU - George F. Simmons AU - Robertson, John S. TI - Differential equations with applications and historical notes SN - 9780070530713 (pbk. ): U1 - 515.35 23rd PY - 2003///, c1972 CY - Chennai: PB - McGraw Hill Education (India), KW - Differential equations KW - Mathematics N1 - Includes Index ER -