@article{10_21136_CMJ_1957_100254,
     author = {Rieger, Ladislav},
     title = {A contribution to {G\"odel's} axiomatic set theory, {I}},
     journal = {Czechoslovak Mathematical Journal},
     pages = {323--357},
     publisher = {mathdoc},
     volume = {07},
     number = {3},
     year = {1957},
     doi = {10.21136/CMJ.1957.100254},
     mrnumber = {0099298},
     zbl = {0089.24403},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1957.100254/}
}