@article{10_4064_cm_47_1_1_5,
     author = {J. Dudek},
     title = {On bisemilattices. {I}},
     journal = {Colloquium Mathematicum},
     pages = {1--5},
     publisher = {mathdoc},
     volume = {47},
     number = {1},
     year = {1982},
     doi = {10.4064/cm-47-1-1-5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-47-1-1-5/}
}