@article{SF_1987__36_134907,
     author = {S. Subbiah and K.D. jr. Magill and W. Barit},
     title = {The congruences on {S(X)} which commute with {V.}},
     journal = {Semigroup forum},
     pages = {351--364},
     publisher = {mathdoc},
     volume = {36},
     year = {1987},
     zbl = {0625.20052},
     url = {http://geodesic.mathdoc.fr/item/SF_1987__36_134907/}
}