DOI10.4134/CKMS.2006.21.4.653zbMath1165.03347MaRDI QIDQ3628330
Kyoung Ja Lee, Sun Shin Ahn, Jun, Young Bae
Publication date: 20 May 2009 Published in: Communications of the Korean Mathematical Society (Search for Journal in Brave)
zbMATH Keywords
rough idealslower/upper approximationlower/upper rough subalgebra
Mathematics Subject Classification ID
Knowledge representation (68T30) Other algebras related to logic (03G25)
