000 00269nam a2200121 4500
008 160616s 000 0
245 _aPotential theory
100 _aBliedtner, J
100 _aHansen, W
500 _aB281 M61
942 _cBK
_2BK6284
080 _a519.21 BLI
999 _c6284
_d6284