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@article{CM_1952__10__95_0, author = {Takasu, Tsurusaburo}, title = {Sphere-geometrical unitary field theories}, journal = {Compositio Mathematica}, pages = {95--116}, publisher = {Kraus Reprint}, volume = {10}, year = {1952}, mrnumber = {53655}, zbl = {0047.20904}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CM_1952__10__95_0/} }
Takasu, Tsurusaburo. Sphere-geometrical unitary field theories. Compositio Mathematica, Tome 10 (1952), pp. 95-116. http://geodesic.mathdoc.fr/item/CM_1952__10__95_0/