@misc{10_21136_CMJ_1969_100923, title = {Summaries of articles published in this issue}, journal = {Czechoslovak Mathematical Journal}, pages = {--570}, publisher = {mathdoc}, volume = {19}, number = {3}, year = {1969}, doi = {10.21136/CMJ.1969.100923}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1969.100923/} }