Fundamenta Informaticae
, Volume 7
Volume 7, Number 1, 1984
Joachim Biskup
: Extending the Relational Algebra for Relations with Maybe Tuples and Existential and Universal Null Values. 129-150
BibTeX
Copyright ©
Sat May 16 23:59:22 2009 by
Michael Ley
(
ley@uni-trier.de
)