relation: http://acta.bibl.u-szeged.hu/14273/ title: On the congruences of finitely generated free semigroups : To Professor L. Rédei on his 70th birthday creator: Ádám András creator: Pollák György date: 1970 type: Cikk, tanulmány, mű type: NonPeerReviewed format: part language: hu identifier: http://acta.bibl.u-szeged.hu/14273/1/math_031_fasc_003_004_259-278.pdf identifier: Ádám András; Pollák György: On the congruences of finitely generated free semigroups : To Professor L. Rédei on his 70th birthday. In: Acta scientiarum mathematicarum, (31) 3-4. pp. 259-278. (1970) relation: http://www.acta.hu language: eng