@article{EJDE_2015__2015__a62,
     author = {Gripenberg,  Gustaf},
     title = {Extending infinity harmonic functions by rotation},
     journal = {Electronic journal of differential equations},
     year = {2015},
     volume = {2015},
     zbl = {1320.31015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2015__2015__a62/}
}