Köhn, Johannes; Sieveking, M. Reguläre und extremale Randpunkte in der Potentialtheorie. (German) Zbl 0158.12804 Rev. Roum. Math. Pures Appl. 12, 1489-1502 (1967). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 ReviewCited in 10 Documents Keywords:partial differential equations PDF BibTeX XML Cite \textit{J. Köhn} and \textit{M. Sieveking}, Rev. Roum. Math. Pures Appl. 12, 1489--1502 (1967; Zbl 0158.12804)