@article{10_21136_CPM_1984_118195,
     author = {Chajda, Ivan and Zelinka, Bohdan},
     title = {Complemented tolerances on lattices},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {54--59},
     publisher = {mathdoc},
     volume = {109},
     number = {1},
     year = {1984},
     doi = {10.21136/CPM.1984.118195},
     mrnumber = {741208},
     zbl = {0536.06007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1984.118195/}
}