@article{MOMA_1989__107_3_178419,
     author = {Jussi V\"ais\"al\"a},
     title = {Quasiconformal {Concordance.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {155--168},
     publisher = {mathdoc},
     volume = {107},
     number = {3},
     year = {1989},
     zbl = {0685.30010},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1989__107_3_178419/}
}