@article{MS2_1984__55_166905,
     author = {Stein Arild Stromme},
     title = {A note on ...-constant families of plane curves.},
     journal = {Mathematica Scandinavica},
     pages = {62--66},
     publisher = {mathdoc},
     volume = {55},
     year = {1984},
     zbl = {0577.14003},
     url = {http://geodesic.mathdoc.fr/item/MS2_1984__55_166905/}
}