@article{AL_1996_35_1_a5,
     author = {P. A. Schreiner},
     title = {Absence of interpolation in some predicate superintuitionistic},
     journal = {Algebra i logika},
     pages = {105--117},
     year = {1996},
     volume = {35},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1996_35_1_a5/}
}