%0 Journal Article %A Michael O'Neill %T J. E. McMillan's Area theorem %J Colloquium Mathematicum %D 1999 %P 229-234 %V 79 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-79-2-229-234/ %R 10.4064/cm-79-2-229-234 %G en %F 10_4064_cm_79_2_229_234