@misc{10_21136_CMJ_1969_100925,
     title = {Summaries of articles published in this issue},
     journal = {Czechoslovak Mathematical Journal},
     pages = {569},
     year = {1969},
     volume = {19},
     number = {4},
     doi = {10.21136/CMJ.1969.100925},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1969.100925/}
}