@article{DAN_1965_161_2_a9,
     author = {R. A. Pliu\v{s}kevi\v{c}ius},
     title = {A version of the constructive calculus of predicates without structural deduction rules},
     journal = {Doklady Akademii Nauk},
     pages = {292--295},
     publisher = {mathdoc},
     volume = {161},
     number = {2},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1965_161_2_a9/}
}