@article{TRSPY_1968_98_a2,
     author = {S. Yu. Maslov},
     title = {The inverse method for establishing deducibility for logical calculi},
     journal = {Informatics and Automation},
     pages = {26--87},
     publisher = {mathdoc},
     volume = {98},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1968_98_a2/}
}