@misc{10_21136_CMJ_1981_101718, title = {Summaries of articles published in this issue}, journal = {Czechoslovak Mathematical Journal}, publisher = {mathdoc}, volume = {31}, number = {1}, year = {1981}, doi = {10.21136/CMJ.1981.101718}, language = {en}, url = {https://geodesic-test.mathdoc.fr/articles/10.21136/CMJ.1981.101718/} }