000 00324nam a2200145Ia 4500
008 230915s9999 xx 000 0 und d
082 _a515 SIM
100 _aSimmons, George F.
245 0 _aDifferential Equations
260 _aNEW DELHI
260 _bTMH
260 _c1999
300 _a465
650 _aMathematics
999 _c160558
_d160558