%0 Journal Article %A Min-Chun Hong %T The Equator Map and the negative exponential functional. %J Manuscripta mathematica %D 1992 %P 49-64 %V 75 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM2_1992__75_4_155710/ %F MM2_1992__75_4_155710