000			00315nam a2200133Ia 4500
008			240723s9999 xx 000 0 und d
041			_aEnglish
084			_aB _bM0
245		0	_aCalculus of Finite Difference
260			_aDelhi _bR. Chand & Co. _c1980
300			_ap.340
650			_aMathematics
942			_cBK
999			_c307670 _d307670