@article{10_21136_CPM_1982_118112,
     author = {Niederle, Josef},
     title = {A note on tolerance lattices of products of lattices},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {114--115},
     year = {1982},
     volume = {107},
     number = {2},
     doi = {10.21136/CPM.1982.118112},
     mrnumber = {659741},
     zbl = {0491.06010},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1982.118112/}
}