000 00258nam a2200097Ia 4500
008 150310s9999 xx 000 0 und d
100 _aDANIEL A MURRAY
245 _aINTRODUCTORY COURSE IN DIFFERENTIAL EQUATIONS
250 _a14
260 _c1989
_bORIENT LONGMAN
999 _c19897
_d19897