@article{DAN_1984_276_4_a1,
     author = {F. R. Kashapova},
     title = {Determination of classes of constructively derivable theorems in a},
     journal = {Doklady Akademii Nauk},
     pages = {782--786},
     publisher = {mathdoc},
     volume = {276},
     number = {4},
     year = {1984},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1984_276_4_a1/}
}