@article{GDZPPN00126267X, title = {On p -semisimple S-sets.}, journal = {Semigroup forum}, volume = {46}, year = {1993}, pages = {15-28}, zbl = {0791.20081}, url = {http://dml.mathdoc.fr/item/GDZPPN00126267X} }
Goseki, Z. On p -semisimple S-sets.. Semigroup forum, Tome 46 (1993) pp. 15-28. http://gdmltest.u-ga.fr/item/GDZPPN00126267X/