000 00322nam a2200109Ia 45e0
008 181001s1973 xx 000 0 und d
100 _aMurray Daniel A
245 0 _aIntroductory course in Differential equations
260 _bOrient Longman
_c1973
300 _a234
942 _2ddc
_cBK
999 _c2357
_d2357