%0 Journal Article %A Putz, H. %T Construction of Transverse Fields %J Canadian journal of mathematics %D 1969 %P 1146-1159 %V 21 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1969-125-6/ %R 10.4153/CJM-1969-125-6 %F 10_4153_CJM_1969_125_6