@article{10_21136_CMJ_1982_101838,
     author = {Fleischer, Isidore},
     title = {Congruence extension from a semilattice to the freely generated distributive lattice},
     journal = {Czechoslovak Mathematical Journal},
     pages = {623--626},
     publisher = {mathdoc},
     volume = {32},
     number = {4},
     year = {1982},
     doi = {10.21136/CMJ.1982.101838},
     mrnumber = {682136},
     zbl = {0512.06007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1982.101838/}
}