@article{MS2_1988__63_1_167061,
     author = {Matti Vuorinen},
     title = {On {Teichm\"uller's} modulus problem in {R...}},
     journal = {Mathematica Scandinavica},
     pages = {315--333},
     publisher = {mathdoc},
     volume = {63},
     number = {1},
     year = {1988},
     zbl = {0665.30020},
     url = {http://geodesic.mathdoc.fr/item/MS2_1988__63_1_167061/}
}