relation: http://acta.bibl.u-szeged.hu/38466/ title: Acta Cybernetica : Tomus 3. Fasciculus 2. date: 1977 type: Folyóirat type: NonPeerReviewed format: full language: hu identifier: http://acta.bibl.u-szeged.hu/38466/1/cybernetica_003_fasc_002.pdf identifier: Acta Cybernetica : Tomus 3. Fasciculus 2. (1977) language: eng