Robuta

https://trace.tennessee.edu/entities/publication/6187e473-4adb-4fe9-8b01-c3e422294679 Direct and Semidirect Products of Semigroups semidirect products semigroups https://eudml.org/doc/45082 EuDML | An amenability property of algebras of functions on semidirect products of semigroups. property of semidirect products amenability algebras functions