@article{MZM_1998_64_4_a13,
     author = {V. I. Khomich},
     title = {Separability of normalizable superintuitionistic propositional logics},
     journal = {Matemati\v{c}eskie zametki},
     pages = {606--615},
     year = {1998},
     volume = {64},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1998_64_4_a13/}
}