000 00431nam a2200169Ia 4500
008 160615s9999 xx 000 0 und d
100 _aSPERB(Rene)
245 _aMaximum principles and their application
260 _aNew York
260 _bAcademic Press
260 _c1981
300 _aix p. + 224
440 _a"Mathematics in Science and Engineering, 157"
942 _cBooks
999 _c13557
_d13557