@article{SF_1989__38_2_134965,
     author = {Tatsuhiko Saito},
     title = {Orthodox semidirect products and wreath products of monoids.},
     journal = {Semigroup forum},
     pages = {347--354},
     publisher = {mathdoc},
     volume = {38},
     number = {2},
     year = {1989},
     zbl = {0669.20049},
     url = {http://geodesic.mathdoc.fr/item/SF_1989__38_2_134965/}
}