@article{10_21136_CMJ_1976_101397,
     author = {Chajda, Ivan and Zelinka, Bohdan},
     title = {Weakly associative lattices and tolerance relations},
     journal = {Czechoslovak Mathematical Journal},
     pages = {259--269},
     publisher = {mathdoc},
     volume = {26},
     number = {2},
     year = {1976},
     doi = {10.21136/CMJ.1976.101397},
     mrnumber = {0401558},
     zbl = {0332.06002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1976.101397/}
}