A constructive characterization of the lattices of all retractions, pre-closure, quasi-closure and closure operators on a complete lattice

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@article{4eb371cbe0d0464890e107808e17a87d,

title = "A constructive characterization of the lattices of all retractions, pre-closure, quasi-closure and closure operators on a complete lattice",

author = "Patrick Cousot and Radhia Cousot",

year = "1979",

language = "English (US)",

volume = "38",

pages = "185--198",

journal = "Portugaliae Mathematica",

number = "2",

}