@article{10_4153_CJM_1986_059_4,
     author = {Edmunds, D. E. and Edmunds, R. M.},
     title = {Distance {Functions} and {Orlicz-Sobolev} {Spaces}},
     journal = {Canadian journal of mathematics},
     pages = {1181--1198},
     year = {1986},
     volume = {38},
     number = {5},
     doi = {10.4153/CJM-1986-059-4},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1986-059-4/}
}