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@article{JRAM_1973__259_151299, author = {Mario Petrich}, title = {Dense extensions of completely 0-simple semigroups. {II.}}, journal = {Journal f\"ur die reine und angewandte Mathematik}, pages = {109--131}, publisher = {mathdoc}, volume = {259}, year = {1973}, zbl = {0256.20082}, url = {http://geodesic.mathdoc.fr/item/JRAM_1973__259_151299/} }
Mario Petrich. Dense extensions of completely 0-simple semigroups. II.. Journal für die reine und angewandte Mathematik, Tome 259 (1973), pp. 109-131. http://geodesic.mathdoc.fr/item/JRAM_1973__259_151299/