relation: http://acta.bibl.u-szeged.hu/15478/ title: Semigroups of periodic endomorphisms of a free monoid creator: Petrich Mario creator: Reis C. M. date: 1994 type: Cikk, tanulmány, mű type: NonPeerReviewed format: part language: hu identifier: http://acta.bibl.u-szeged.hu/15478/1/math_059_numb_003_004_357-380.pdf identifier: Petrich Mario; Reis C. M.: Semigroups of periodic endomorphisms of a free monoid. In: Acta scientiarum mathematicarum, (59) 3-4. pp. 357-380. (1994) relation: http://www.acta.hu language: eng