@article{1077475504, author = {Fort, Jr., M.. K}, title = {A unified theory of semi-continuity}, journal = {Duke Math. J.}, volume = {16}, number = {1}, year = {1949}, pages = { 237-246}, language = {en}, url = {http://dml.mathdoc.fr/item/1077475504} }
Fort, Jr., M.. K. A unified theory of semi-continuity. Duke Math. J., Tome 16 (1949) no. 1, pp. 237-246. http://gdmltest.u-ga.fr/item/1077475504/