@article{GDZPPN002232448, title = {The Trace to the Boundary of Sobolev spaces on a snowflake.}, journal = {Manuscripta mathematica}, volume = {70}, year = {1991}, pages = {117-126}, zbl = {0793.46015}, url = {http://dml.mathdoc.fr/item/GDZPPN002232448} }
Wallin, Hans. The Trace to the Boundary of Sobolev spaces on a snowflake.. Manuscripta mathematica, Tome 70 (1991) pp. 117-126. http://gdmltest.u-ga.fr/item/GDZPPN002232448/