@article{JRAM_1972__255_151229,
     author = {J\"urgen Schmidt},
     title = {Universal and internal properties of some completions of k-join-semilattices and k-join-distributive partially ordered sets.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {8--22},
     publisher = {mathdoc},
     volume = {255},
     year = {1972},
     zbl = {0263.06004},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1972__255_151229/}
}