@article{SF_1993__47_2_135252,
     author = {R.R. Zapatrin},
     title = {Generating semigroups for complete atomistic ortholattices.},
     journal = {Semigroup forum},
     pages = {36--47},
     publisher = {mathdoc},
     volume = {47},
     number = {2},
     year = {1993},
     zbl = {0779.06007},
     url = {http://geodesic.mathdoc.fr/item/SF_1993__47_2_135252/}
}