@article{CMUC_1972__13_2_a13,
     author = {Nieminen, Juhani},
     title = {On the canonical subdirect decomposition of a join semilattice},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {363--372},
     publisher = {mathdoc},
     volume = {13},
     number = {2},
     year = {1972},
     mrnumber = {0302521},
     zbl = {0244.06003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1972__13_2_a13/}
}