000 00276nam a2200109Ia 4500
008 160710s1971 xx 000 0 und d
100 _aSPIEGEL, M.R.
245 _aFINITE DIFFERENCES AND DIFFERENCE EQUATIONS
260 _bMC GRAW HILL
_c1971
300 _a259
942 _2ddc
_cB
999 _c38200
_d38200