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@article{SF_1990__40_1_135026, author = {M.B. Szendrei and J. Kadourek}, title = {A new approach in the theory of orthodox semigroups.}, journal = {Semigroup forum}, pages = {257--296}, publisher = {mathdoc}, volume = {40}, number = {1}, year = {1990}, zbl = {0705.20052}, url = {http://geodesic.mathdoc.fr/item/SF_1990__40_1_135026/} }
M.B. Szendrei; J. Kadourek. A new approach in the theory of orthodox semigroups.. Semigroup forum, Tome 40 (1990) no. 1, pp. 257-296. http://geodesic.mathdoc.fr/item/SF_1990__40_1_135026/