@article{ZNSL_2012_407_a2,
     author = {I. D. Zaslavsky},
     title = {Extended fuzzy constructive logic},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {35--76},
     publisher = {mathdoc},
     volume = {407},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2012_407_a2/}
}