@article{10_21136_CMJ_1958_100314,
     author = {Svoboda, Karel},
     title = {Sur une classe de surfaces sph\'eriques dans un espace \`a courbure constante},
     journal = {Czechoslovak Mathematical Journal},
     pages = {399--447},
     publisher = {mathdoc},
     volume = {08},
     number = {3},
     year = {1958},
     doi = {10.21136/CMJ.1958.100314},
     mrnumber = {0123997},
     zbl = {0085.16201},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1958.100314/}
}