@article{JMPA_1949_9_28__287_0,
     author = {Hu, Sze-tsen},
     title = {Boundedness in a topological space},
     journal = {Journal de Math\'ematiques Pures et Appliqu\'ees},
     pages = {287--320},
     volume = {Ser. 9, 28},
     year = {1949},
     zbl = {0041.31602},
     mrnumber = {33527},
     language = {en},
     url = {http://www.numdam.org/item/JMPA_1949_9_28__287_0/}
}