@article{ARM_1980__16_3_a3,
     author = {Chajda, Ivan and Dal{\'\i}k, Josef and Niederle, Josef and Vesel\'y, V{\'\i}t\v{e}zslav and Zelinka, Bohdan},
     title = {How to draw tolerance lattices of finite chains},
     journal = {Archivum mathematicum},
     pages = {161--165},
     publisher = {mathdoc},
     volume = {16},
     number = {3},
     year = {1980},
     mrnumber = {594461},
     zbl = {0449.06006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ARM_1980__16_3_a3/}
}