@article{AFM_1990_15_2_a8,
     author = {Kurt Strebel},
     title = {The elementary cases in {Teichm\"uller's} mapping theorem},
     journal = {Annales Fennici Mathematici},
     pages = {319--328},
     publisher = {mathdoc},
     volume = {15},
     number = {2},
     year = {1990},
     doi = {10.5186/aasfm.1990.1526},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1990.1526/}
}