@article{10_4153_CJM_1979_104_8,
     author = {Kato, Akio},
     title = {Union of {Realcompact} {Spaces} and {Lindel\"of} {Spaces}},
     journal = {Canadian journal of mathematics},
     pages = {1247--1268},
     year = {1979},
     volume = {31},
     number = {6},
     doi = {10.4153/CJM-1979-104-8},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1979-104-8/}
}