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008 160616s1999 000 0
245 _aBoundary Value Problems
100 _aPowers, David L.
250 _a4th
260 _aUSA
260 _bAP
260 _c1999
300 _a528
020 _a0 12 563734 9
650 _aBoundary Value Problems
942 _cBK
_2BK15919
080 _a517.927 POW
999 _c15919
_d15919