@misc{10_21136_CMJ_1957_100239,
     title = {Journal for the {Cultivation} of {Mathematics.} {Abstracts}},
     journal = {Czechoslovak Mathematical Journal},
     pages = {159--164},
     year = {1957},
     volume = {7},
     number = {1},
     doi = {10.21136/CMJ.1957.100239},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1957.100239/}
}