Ravi Mukkamala, Sushil Jajodia. A Note on Estimating the Cardinality of the Projection of a Database Relation. ACM Trans. Database Syst., 16(3):564-566, 1991. [doi]
@article{MukkamalaJ91,
title = {A Note on Estimating the Cardinality of the Projection of a Database Relation},
author = {Ravi Mukkamala and Sushil Jajodia},
year = {1991},
doi = {10.1145/111197.111218},
url = {http://doi.acm.org/10.1145/111197.111218},
tags = {database},
researchr = {https://researchr.org/publication/MukkamalaJ91},
cites = {0},
citedby = {0},
journal = {ACM Trans. Database Syst.},
volume = {16},
number = {3},
pages = {564-566},
}