TY - BOOK AU - Zill,Dennis G. TI - First course in differential equations with modeling applications SN - 0534418783 AV - QA372 .Z54 2004 U1 - 515.35 22 PY - 2005/// CY - Belmont, CA PB - Brooks/Cole KW - Differential equations KW - Textbooks N1 - Includes index ER -