@article{SF_1975__10_134116,
     author = {F. Pastijn},
     title = {A representation of a semigroup by a semigroup of matrices over a group with zero.},
     journal = {Semigroup forum},
     pages = {238--249},
     publisher = {mathdoc},
     volume = {10},
     year = {1975},
     zbl = {0299.20057},
     url = {http://geodesic.mathdoc.fr/item/SF_1975__10_134116/}
}