000
00269nam a2200121 4500
008
160616s 000 0
245
_a
Potential theory
100
_a
Bliedtner, J
100
_a
Hansen, W
500
_a
B281 M61
942
_c
BK
_2
BK6284
080
_a
519.21 BLI
999
_c
6284
_d
6284