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@article{SF_1991__42_3_135069, author = {B. Piochi}, title = {Solvability and the permutation property in inverse semigroups.}, journal = {Semigroup forum}, pages = {113--116}, publisher = {mathdoc}, volume = {42}, number = {3}, year = {1991}, zbl = {0729.20031}, url = {http://geodesic.mathdoc.fr/item/SF_1991__42_3_135069/} }
B. Piochi. Solvability and the permutation property in inverse semigroups.. Semigroup forum, Tome 42 (1991) no. 3, pp. 113-116. http://geodesic.mathdoc.fr/item/SF_1991__42_3_135069/