On the existence and closure of sets of characteristic functions
Kellog, O.D.
Mathematische Annalen, Tome 86 (1922), p. 14-17 / Harvested from Göttinger Digitalisierungszentrum
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Publié le : 1922-01-01
EUDML-ID : urn:eudml:doc:158933 
@article{GDZPPN002268639,
     title = {On the existence and closure of sets of characteristic functions},
     journal = {Mathematische Annalen},
     volume = {86},
     year = {1922},
     pages = {14-17},
     url = {http://dml.mathdoc.fr/item/GDZPPN002268639}
}

Kellog, O.D. On the existence and closure of sets of characteristic functions. Mathematische Annalen, Tome 86 (1922) pp. 14-17. http://gdmltest.u-ga.fr/item/GDZPPN002268639/