relation: http://acta.bibl.u-szeged.hu/14990/ title: Some characterizations of self-adjoint operators creator: Kittaneh Fuad date: 1984 type: Cikk, tanulmány, mű type: NonPeerReviewed format: part language: hu identifier: http://acta.bibl.u-szeged.hu/14990/1/math_047_fasc_003_004_441-444.pdf identifier: Kittaneh Fuad: Some characterizations of self-adjoint operators. In: Acta scientiarum mathematicarum, (47) 3-4. pp. 441-444. (1984) relation: http://www.acta.hu language: eng