000 00417nam a2200169Ia 4500
008 211115s9999 xx 000 0 und d
020 _a0-12-563760-8
041 _aeng
082 _aB381:5
_bL9;1
100 _aPowers, David L..
245 0 _aBoundary Value Problems /
250 _aSecond Ed. /
260 _aNew York 10003 :
_bAcademic Press.
300 _ap.351 :
650 _aMathematics
942 _cTB
999 _c3747
_d3747