@article{DAN_1974_215_2_a5,
     author = {A. A. Markov},
     title = {On the completeness of the classical predicate calculus in constructive mathematical logic},
     journal = {Doklady Akademii Nauk},
     pages = {266--269},
     publisher = {mathdoc},
     volume = {215},
     number = {2},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1974_215_2_a5/}
}