@article{AL_1972_11_5_a5,
     author = {L. L. Maksimova},
     title = {Pretabular superintuitionistic logics},
     journal = {Algebra i logika},
     pages = {558--570},
     year = {1972},
     volume = {11},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1972_11_5_a5/}
}