000 00283nam a2200121Ia 4500
008 190719s9999 xx 000 0 und d
082 _a517.38 W983
100 _aWYLIE C.RAY
245 0 _aDIFFERENTIAL EQUATIONS
260 _bMcGraw-Hill
_c1979
300 _a21X15
942 _cBK
_2DDC
999 _c45444
_d45444