@article{10_21136_CMJ_1958_100331,
     author = {Mih\u{a}ilescu, Tiberiu},
     title = {Les surfaces $R_0$},
     journal = {Czechoslovak Mathematical Journal},
     pages = {573--582},
     year = {1958},
     volume = {8},
     number = {4},
     doi = {10.21136/CMJ.1958.100331},
     mrnumber = {0106479},
     zbl = {0083.37401},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1958.100331/}
}