@article{10_21136_AM_1979_103786,
     author = {Matu\v{s}\r{u}, Josef and Nov\'ak, Josef},
     title = {\"Uber eine elementare {Fl\"ache}},
     journal = {Applications of Mathematics},
     pages = {93--104},
     publisher = {mathdoc},
     volume = {24},
     number = {2},
     year = {1979},
     doi = {10.21136/AM.1979.103786},
     mrnumber = {0523226},
     zbl = {0437.65011},
     language = {ge},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/AM.1979.103786/}
}