@article{MZM_1987_42_5_a12,
     author = {M. V. Zakharyaschev},
     title = {Disjunctive property of superintuitionist and modal logics},
     journal = {Matemati\v{c}eskie zametki},
     pages = {729--738},
     publisher = {mathdoc},
     volume = {42},
     number = {5},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1987_42_5_a12/}
}