@article{10_21136_AM_1966_103009,
     author = {Gallo, Ondrej},
     title = {Vlastnosti niektor\'ych obalov\'ych skrutkov\'ych pl\^och},
     journal = {Applications of Mathematics},
     pages = {147--153},
     year = {1966},
     volume = {11},
     number = {2},
     doi = {10.21136/AM.1966.103009},
     mrnumber = {0212687},
     zbl = {0138.19601},
     language = {sk},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/AM.1966.103009/}
}