@article{10_21136_CMJ_1976_101384,
     author = {Havel, V\'aclav},
     title = {Homomorphisms of nets of fixed degree, with singular points on the same line},
     journal = {Czechoslovak Mathematical Journal},
     pages = {43,44},
     publisher = {mathdoc},
     volume = {26},
     number = {1},
     year = {1976},
     doi = {10.21136/CMJ.1976.101384},
     mrnumber = {0392619},
     zbl = {0331.50014},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1976.101384/}
}