@article{10_21136_CMJ_1996_127266,
     author = {Chajda, Ivan},
     title = {Tolerances on $q$-lattices},
     journal = {Czechoslovak Mathematical Journal},
     pages = {21--28},
     year = {1996},
     volume = {46},
     number = {1},
     doi = {10.21136/CMJ.1996.127266},
     mrnumber = {1371684},
     zbl = {0903.06002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1996.127266/}
}