000 00411nam a2200157Ia 4500
008 160615s9999 xx 000 0 und d
100 _aSEWELL(M J)
245 _aMaximum and minimum principles: a unified approach with applications
260 _aCambridge
260 _bCambridge University Press
260 _c1987
300 _axvi p. + 468
942 _cBooks
999 _c17041
_d17041