@article{10_4153_CJM_1974_107_5, author = {Gittings, Raymond F.}, title = {Some {Results} on {Weak} {Covering} {Conditions}}, journal = {Canadian journal of mathematics}, pages = {1152--1156}, year = {1974}, volume = {26}, number = {5}, doi = {10.4153/CJM-1974-107-5}, url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1974-107-5/} }