@article{MZM_1984_36_5_a12,
     author = {Ya. M. Drugush},
     title = {Finite approximability of forest superintuitionistic logics},
     journal = {Matemati\v{c}eskie zametki},
     pages = {755--764},
     publisher = {mathdoc},
     volume = {36},
     number = {5},
     year = {1984},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1984_36_5_a12/}
}