@article{SF_1994__48_3_135314,
     author = {J. Konieczny},
     title = {Green's equivalences in finite semigroups of binary relations.},
     journal = {Semigroup forum},
     pages = {235--252},
     publisher = {mathdoc},
     volume = {48},
     number = {3},
     year = {1994},
     zbl = {0805.20059},
     url = {http://geodesic.mathdoc.fr/item/SF_1994__48_3_135314/}
}