@article{AFM_1975_1_1_a6,
     author = {Ossi Taari},
     title = {Extremal quasiconformal mappings of a cone},
     journal = {Annales Fennici Mathematici},
     pages = {65--76},
     publisher = {mathdoc},
     volume = {1},
     number = {1},
     year = {1975},
     doi = {10.5186/aasfm.1975.0123},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1975.0123/}
}