@article{DAN_1985_281_4_a3,
     author = {A. U. Muravitskii},
     title = {Correspondence of proof-intuitionistic logic extensions to proof-logic extensions},
     journal = {Doklady Akademii Nauk},
     pages = {789--793},
     publisher = {mathdoc},
     volume = {281},
     number = {4},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1985_281_4_a3/}
}