000 00290nam a2200121Ia 4500
008 190719s9999 xx 000 0 und d
082 _a517.38 F699
100 _aFORD.L.R
245 0 _aDIFFERENTIAL EQUATIONS
260 _aNEW YORK
_bMcGraw-Hill
_c1955
300 _a20X15
942 _cBK
_2DDC
999 _c45424
_d45424