@article{AFM_1975_1_2_a2,
     author = {Jukka Sarvas},
     title = {On the local behavior of quasiregular mappings},
     journal = {Annales Fennici Mathematici},
     pages = {221--226},
     publisher = {mathdoc},
     volume = {1},
     number = {2},
     year = {1975},
     doi = {10.5186/aasfm.1975.0120},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1975.0120/}
}