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@article{SF_1992__45_3_135180, author = {M. Kunze}, title = {Bilateral semidirect products of transformation semigroups.}, journal = {Semigroup forum}, pages = {166--182}, publisher = {mathdoc}, volume = {45}, number = {3}, year = {1992}, zbl = {0776.20020}, url = {http://geodesic.mathdoc.fr/item/SF_1992__45_3_135180/} }
M. Kunze. Bilateral semidirect products of transformation semigroups.. Semigroup forum, Tome 45 (1992) no. 3, pp. 166-182. http://geodesic.mathdoc.fr/item/SF_1992__45_3_135180/