000 00317pam a2200121a 44500
008 230405s1989 xxu||||| |||| 00| 0 eng d
041 _aENG
100 _amurray daniel a
245 _aintroductory course in difforential equations
260 _anew delhi
_bOrient Longman Ltd.
_c1989
300 _a236
906 _a912
999 _c292255
_d292255