@article{SF_1976__13_134208,
     author = {G.A. Fraser},
     title = {Tensor products of semilattices and distributive lattices.},
     journal = {Semigroup forum},
     pages = {178--184},
     publisher = {mathdoc},
     volume = {13},
     year = {1976},
     zbl = {0354.06002},
     url = {http://geodesic.mathdoc.fr/item/SF_1976__13_134208/}
}