@article{AFM_2014_39_2_a7,
     author = {Piotr Hajlasz and Armin Schikorra},
     title = {Lipschitz homotopy and density of {Lipschitz} mappings in {Sobolev} spaces},
     journal = {Annales Fennici Mathematici},
     pages = {593--604},
     publisher = {mathdoc},
     volume = {39},
     number = {2},
     year = {2014},
     doi = {10.5186/aasfm.2014.3932},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.5186/aasfm.2014.3932/}
}