@article{10_21136_CMJ_1976_101400,
     author = {Johnson, C. S., Jr. and McMorris, F. R.},
     title = {Nonsingular semilattices and semigroups},
     journal = {Czechoslovak Mathematical Journal},
     pages = {280--282},
     publisher = {mathdoc},
     volume = {26},
     number = {2},
     year = {1976},
     doi = {10.21136/CMJ.1976.101400},
     mrnumber = {0404491},
     zbl = {0338.20075},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1976.101400/}
}