@article{10_4064_cm_24_1_3_5,
     author = {Stanley Burris},
     title = {The structure of closure congruences},
     journal = {Colloquium Mathematicum},
     pages = {3--5},
     publisher = {mathdoc},
     volume = {24},
     number = {1},
     year = {1971},
     doi = {10.4064/cm-24-1-3-5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-24-1-3-5/}
}