@article{1077490479, author = {Gentry, Frank C.}, title = {Quaternary Cremona groups of ternary type}, journal = {Duke Math. J.}, volume = {4}, number = {1}, year = {1938}, pages = { 107-124}, language = {en}, url = {http://dml.mathdoc.fr/item/1077490479} }
Gentry, Frank C. Quaternary Cremona groups of ternary type. Duke Math. J., Tome 4 (1938) no. 1, pp. 107-124. http://gdmltest.u-ga.fr/item/1077490479/