@article{DAN_1988_299_1_a4,
     author = {A. A. Voronkov},
     title = {Constructive truth and constructive calculi},
     journal = {Doklady Akademii Nauk},
     pages = {26--30},
     publisher = {mathdoc},
     volume = {299},
     number = {1},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1988_299_1_a4/}
}