@article{VMUMM_1984_4_a16,
     author = {A. D. Yashin},
     title = {Completeness of the intuitionistic predicate calculus with the bar notion},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {67--69},
     year = {1984},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1984_4_a16/}
}