@article{SF_1995__50_3_135377,
     author = {B. Piochi},
     title = {Congruences on {Bruck-Reilly} extensions of monoids.},
     journal = {Semigroup forum},
     pages = {179--192},
     publisher = {mathdoc},
     volume = {50},
     number = {3},
     year = {1995},
     zbl = {0828.20050},
     url = {http://geodesic.mathdoc.fr/item/SF_1995__50_3_135377/}
}