relation: http://acta.bibl.u-szeged.hu/16048/ title: The kernel relation for regular semigroups creator: Petrich Mario date: 2004 type: Cikk, tanulmány, mű type: NonPeerReviewed format: part language: hu identifier: http://acta.bibl.u-szeged.hu/16048/1/math_070_numb_003_004_525-544.pdf identifier: Petrich Mario: The kernel relation for regular semigroups. In: Acta scientiarum mathematicarum, (70) 3-4. pp. 525-544. (2004) relation: http://www.acta.hu language: eng