@article{2686, author = {Doyle, P.H.}, title = {On compact subsets of an n-manifold}, journal = {Portugaliae mathematica}, volume = {31}, year = {1972}, pages = {179-181}, zbl = {0237.57004}, mrnumber = {0303525}, language = {en}, url = {http://dml.mathdoc.fr/item/2686} }
Doyle, P.H. On compact subsets of an n-manifold. Portugaliae mathematica, Tome 31 (1972) pp. 179-181. http://gdmltest.u-ga.fr/item/2686/