@article{2643,
author = {Larsen, R.},
title = {A theorem concerning Ditkin's condition},
journal = {Portugaliae mathematica},
volume = {30},
year = {1971},
pages = {17-20},
zbl = {0229.46053},
mrnumber = {0301511},
language = {en},
url = {http://dml.mathdoc.fr/item/2643}
}
Larsen, R. A theorem concerning Ditkin's condition. Portugaliae mathematica, Tome 30 (1971) pp. 17-20. http://gdmltest.u-ga.fr/item/2643/