000			00428nam a2200145Ia 4500
008			140215s9999 xx 000 0 und d
020			_a07 060218 2
084			_aB41 _bSPI;1971
100			_aSpiegel, Murray R.
245			_aTheory and Problems of Calculus of Finite Differences and Difference Equations / _b
260			_bMcGRAW-HILL BOOK CO. , _aLondon : _c1971
300			_a259p :
650			_aMathmatics
942			_2cc _cBK
999			_c12064 _d12064