%0 Journal Article
%A M. A. Taitslin
%T Comparison of expressive power of some query languages for databases
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 2011
%P 297-313
%V 274
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TM_2011_274_a16/
%G ru
%F TM_2011_274_a16