000 00356nam a2200145Ia 4500
008 230913s9999 xx 000 0 und d
082 _a515.35 PIA
100 _aPiaggio, H.T.H
245 0 _aElementarr Treatise On Differeutial Eqations
260 _aNEW DELHI
260 _bCBS PUBLISHERS
260 _c2000
300 _a256
650 _aMathematics
999 _c138858
_d138858