00421nam a2200133Ia 4500082002100000100003700021245004000058260003400098300002700132490004000159500005400199500000500253700002900258  a515.78bAi291.PT  aAikawa, Hiroaki and Essen, Matts  aPotential theory; selected topicsb  aBerlinbSpringer-Verlagc1996  aix, 200p. Index, Bibl.  aLecture notes in Mathematicsv 1633  a"Purchased under NBHM grant for the year 1998-99"  a  aEssen, Matts ; jt. auth.