@article{MM2_1972__7_154103,
     author = {Juhani Nieminen},
     title = {About {Generalized} {Ideals} in a {Distributive} {Lattice.}},
     journal = {Manuscripta mathematica},
     pages = {13--22},
     publisher = {mathdoc},
     volume = {7},
     year = {1972},
     zbl = {0244.06008},
     url = {http://geodesic.mathdoc.fr/item/MM2_1972__7_154103/}
}