%0 Journal Article %A Sakai, Makoto %T Continuations of Riemann Surfaces %J Canadian journal of mathematics %D 1992 %P 357-367 %V 44 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1992-024-1/ %R 10.4153/CJM-1992-024-1 %F 10_4153_CJM_1992_024_1