Nowhere dense set which is finitely open
Zemánek, Jaroslav
Commentationes Mathematicae Universitatis Carolinae, Tome 011 (1970), p. 83-89 / Harvested from Czech Digital Mathematics Library
Publié le : 1970-01-01
Classification:  46-10,  46Bxx
@article{105266,
     author = {Jaroslav Zem\'anek},
     title = {Nowhere dense set which is finitely open},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     volume = {011},
     year = {1970},
     pages = {83-89},
     zbl = {0195.40904},
     mrnumber = {0261329},
     language = {en},
     url = {http://dml.mathdoc.fr/item/105266}
}
Zemánek, Jaroslav. Nowhere dense set which is finitely open. Commentationes Mathematicae Universitatis Carolinae, Tome 011 (1970) pp. 83-89. http://gdmltest.u-ga.fr/item/105266/

E. Hille R. S. Phillips Functional Analysis and Semigroups, Providence 1957. (1957)