@article{10_21136_CMJ_1955_100131,
     author = {\v{S}ik, Franti\v{s}ek},
     title = {Die {Anwendung} der {Polarit\"at} auf die direkten {Produktzerlegungen} einer {Gruppe}},
     journal = {Czechoslovak Mathematical Journal},
     pages = {61--75},
     year = {1955},
     volume = {5},
     number = {1},
     doi = {10.21136/CMJ.1955.100131},
     mrnumber = {0073594},
     zbl = {0068.01502},
     language = {de},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1955.100131/}
}