@article{AUCMP_2006__47_1_a2,
     author = {Je\v{z}ek, Jaroslav and Kepka, Tom\'a\v{s}},
     title = {Selfdistributive groupoids. {Part} {D1:} {Left} distributive semigroups},
     journal = {Acta Universitatis Carolinae. Mathematica et Physica},
     pages = {15--56},
     publisher = {mathdoc},
     volume = {47},
     number = {1},
     year = {2006},
     mrnumber = {2509894},
     zbl = {1150.20046},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AUCMP_2006__47_1_a2/}
}