Hella, L. Logics with aggregate operators. Journal of the ACM.
Cita Chicago Style (17a ed.)Hella, Lauri. "Logics with Aggregate Operators." Journal of the ACM .
Cita MLA (9a ed.)Hella, Lauri. "Logics with Aggregate Operators." Journal of the ACM, .
Precaución: Estas citas no son 100% exactas.