000 00281nam a2200121Ia 4500
008 200906s9999 xx 000 0 und d
082 _a517.38 Y338
100 _aYATES.R.C
245 0 _aDIFFERENTIAL EQUATIONS
260 _bMCGRAW, NEW YORK
_c1952
300 _a23X15
942 _cBK
999 _c61135
_d61135