@Misc{ LučRajTak20, author = { Lučić, Danka and Rajala, Tapio and Takanen, Jyrki }, title = { Dimension estimates for the boundary of planar Sobolev extension domains }, journal = { }, year = { 2020 }, pages = { }, URL = { http://cvgmt.sns.it/paper/4717/ }, note = { cvgmt preprint} }