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@article{SF_1989__38_2_134941, author = {A.V. Kelarev}, title = {Hereditary radicals and 0-bands of semigroups.}, journal = {Semigroup forum}, pages = {57--76}, publisher = {mathdoc}, volume = {38}, number = {2}, year = {1989}, zbl = {0661.20043}, url = {http://geodesic.mathdoc.fr/item/SF_1989__38_2_134941/} }
A.V. Kelarev. Hereditary radicals and 0-bands of semigroups.. Semigroup forum, Tome 38 (1989) no. 2, pp. 57-76. http://geodesic.mathdoc.fr/item/SF_1989__38_2_134941/