000 00428nam a2200157Ia 4500
008 211115s9999 xx 000 0 und d
041 _aeng
082 _aB33:1
_bK6
100 _agreenspan, Donald.
245 0 _aIntroductory numerical analysis of elliptic boundary value problems /
250 _a1st edn /
260 _aNew York :
_bHarper & Row, Inc ,
_c1969
300 _a164p ;
650 _aMathematics
942 _cTB
999 _c9676
_d9676