@article{ZNSL_1987_159_a9,
     author = {G. Ya. Areshkin},
     title = {Functional operators and families of set functions},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {113--118},
     publisher = {mathdoc},
     volume = {159},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1987_159_a9/}
}