000			00422nam a2200145Ia 4500
008			180710s9999 xx 000 0 und d
020			_a29319
082			_a515.62 _bSPI
100			_aSPIEGEL, Murray R.
245			_aSchaum's outline of theory and problems of calculus of finite differences and di
260			_aNew York _bSchaum's Outline series _c1971
300			_a259 p.
650			_aFinite differences
942			_cS
999			_c77797 _d77797