@article{VMUMM_1999_2_a11,
     author = {A. A. Akimov},
     title = {On an axiom of predicate calculus from {``G\"odel's} incompleteness theorems'' by {R.~Smullyan}},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {60--62},
     publisher = {mathdoc},
     number = {2},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1999_2_a11/}
}