@article{MZ_1964__83_170214,
     author = {W.L.C. Sargent},
     title = {On sectionally bounded {BK-spaces.}},
     journal = {Mathematische Zeitschrift},
     pages = {57--66},
     publisher = {mathdoc},
     volume = {83},
     year = {1964},
     zbl = {0172.39701},
     url = {http://geodesic.mathdoc.fr/item/MZ_1964__83_170214/}
}