@Article{zbMATH03697808,
Author = {J. N. {McDonald}},
Title = {{Closed orbits of convex sets of operators on the disk algebra}},
FJournal = {{Pacific Journal of Mathematics}},
Journal = {{Pac. J. Math.}},
ISSN = {1945-5844; 0030-8730/e},
Volume = {97},
Pages = {159--165},
Year = {1981},
Publisher = {Mathematical Sciences Publishers (MSP), Berkeley, CA; Pacific Journal of Mathematics c/o University of California, Berkeley, CA},
Language = {English},
MSC2010 = {47B38 47L07 30D50 46J10 30D55},
Zbl = {0446.47019}
}