@article{AFM_1980_5_1_a16, author = {David Gauld}, title = {Lipschitz and quasiconformal tubular neighbourhoods of spheres in codimension two}, journal = {Annales Fennici Mathematici}, pages = {175--178}, publisher = {mathdoc}, volume = {5}, number = {1}, year = {1980}, doi = {10.5186/aasfm.1980.0506}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1980.0506/} }