TY - BOOK AU - Zill,Dennis G. TI - A first course in differential equations with modeling applications SN - 9780495556220 AV - QA372 .Z55 2009 PY - 2009/// CY - Belmont, CA PB - Brooks/Cole, Cengage Learning KW - Differential equations KW - Textbooks N1 - Includes index; Mathematics, Physics & Statistics ER -