publication . Article . 2013

the key and normal forms in relation scheme

Nguyễn Bá Tường;
Open Access
  • Published: 15 Apr 2013 Journal: Journal of Computer Science and Cybernetics, volume 16 (issn: 1813-9663, eissn: 1813-9663, Copyright policy)
  • Publisher: Publishing House for Science and Technology, Vietnam Academy of Science and Technology