00312nam a2200109Ia 4500082002000000100002200020245010300042260002600145300002100171500000500192700000500197  a515.35bM981.IC  aMurray, Daniel A.  aIntroductory course in differential equations for students in classical and engineering collegesb  aLondonbLongmanc1953  axvi, 236p. Index  a  a