@article{GDZPPN002289520, title = {Asymmetric Prime Ends.}, journal = {Mathematische Annalen}, volume = {142}, year = {1961}, pages = {59-63}, zbl = {0113.05601}, url = {http://dml.mathdoc.fr/item/GDZPPN002289520} }
COLLINGWOOD, E.F.; PIRANIAN, G. Asymmetric Prime Ends.. Mathematische Annalen, Tome 142 (1961) pp. 59-63. http://gdmltest.u-ga.fr/item/GDZPPN002289520/