TY - BOOK AU - Logan,J.David TI - A first course in differential equations T2 - Undergraduate texts in mathematics, SN - 9781441975911 (acidfree paper) AV - QA371 .L63 2011 U1 - 515/.35 23 PY - 2011/// CY - New York PB - Springer KW - Differential equations KW - Textbooks ER -