@article{SF_1986__33_134791,
     author = {G. Duchamp},
     title = {Etude du treillis des congruences \`a droite sur le monoide bicyclique.},
     journal = {Semigroup forum},
     pages = {31--46},
     publisher = {mathdoc},
     volume = {33},
     year = {1986},
     zbl = {0581.20059},
     url = {http://geodesic.mathdoc.fr/item/SF_1986__33_134791/}
}