Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{PORMA_1967__26_3_115030, author = {Robinson, Stewart M.}, title = {A note on realcompact unions}, journal = {Portugaliae mathematica}, pages = {289--291}, publisher = {mathdoc}, volume = {26}, number = {3}, year = {1967}, mrnumber = {0257976}, zbl = {0191.53103}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1967__26_3_115030/} }
Robinson, Stewart M. A note on realcompact unions. Portugaliae mathematica, Tome 26 (1967) no. 3, pp. 289-291. http://geodesic.mathdoc.fr/item/PORMA_1967__26_3_115030/