@article{BSL_2019_48_4_a2,
     author = {Grygiel, Joanna},
     title = {Many {Faces} of {Lattice} {Tolerances}},
     journal = {Bulletin of the Section of Logic},
     publisher = {mathdoc},
     volume = {48},
     number = {4},
     year = {2019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BSL_2019_48_4_a2/}
}