@article{1077377460,
author = {Davis, Philip J.},
title = {Semi-dense closure of systems of functions},
journal = {Duke Math. J.},
volume = {35},
number = {1},
year = {1968},
pages = { 91-101},
language = {en},
url = {http://dml.mathdoc.fr/item/1077377460}
}
Davis, Philip J. Semi-dense closure of systems of functions. Duke Math. J., Tome 35 (1968) no. 1, pp. 91-101. http://gdmltest.u-ga.fr/item/1077377460/