@article{AUPO_1993_32_1_a1,
     author = {Chajda, Ivan},
     title = {Regular lattices},
     journal = {Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica},
     pages = {17--20},
     year = {1993},
     volume = {32},
     number = {1},
     mrnumber = {1273164},
     zbl = {0802.06006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AUPO_1993_32_1_a1/}
}