Abstract
The author analyses some properties of families of sets more general than filters and particularly of families which are a generalization of the ultrafilters.
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Agrigento, T. Su famiglie di insiemi piu' generali dei filtri. Rend. Circ. Mat. Palermo 31, 179–186 (1982). https://doi.org/10.1007/BF02844352
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DOI: https://doi.org/10.1007/BF02844352