A probabilistic relational model and algebra / Dey D., Sarkar S. // ACM Trans. on Database Systems.-1997.-Vol.21, N 3.-P. 339-369.-Bibliogr.: 22 ref.
A probabilistic relational model and algebra / Dey D., Sarkar S. // ACM Trans. on Database Systems.-1997.-Vol.21, N 3.-P. 339–369.-Bibliogr.: 22 ref. 
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