@article{10_21136_CMJ_1994_128495,
     author = {Chajda, I. and Kotrle, M.},
     title = {Boolean semirings},
     journal = {Czechoslovak Mathematical Journal},
     pages = {763--767},
     publisher = {mathdoc},
     volume = {44},
     number = {4},
     year = {1994},
     doi = {10.21136/CMJ.1994.128495},
     mrnumber = {1295149},
     zbl = {0820.06008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1994.128495/}
}