000 00306nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a517.38 B562
100 _aBETZ HERMAN
245 0 _aDIFFERENTIAL EQUATIONS WITH APPLICATIONS
260 _aNEW YORK
_bHarper
_c1964
300 _a21X15
942 _cBK
_2DDC
999 _c14106
_d14106