@article{ZNSL_2003_304_a4,
     author = {S. N. Manukian},
     title = {Some algebras of recursively enumerable sets and their applications to the fuzzy logic},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {75--98},
     year = {2003},
     volume = {304},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2003_304_a4/}
}