@article{CHFMJ_2017_2_1_a4,
     author = {Ya. I. Petrukhin},
     title = {Natural deduction for {Yuriev's} logic},
     journal = {\v{C}el\^abinskij fiziko-matemati\v{c}eskij \v{z}urnal},
     pages = {46--52},
     publisher = {mathdoc},
     volume = {2},
     number = {1},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CHFMJ_2017_2_1_a4/}
}