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@article{MT_1989_12_a3, author = {L. L. Maksimova}, title = {Interpolation in modal logics of an infinite slice that contain the logic $\mathbf{K}4$}, journal = {Matemati\v{c}eskie trudy}, pages = {72--91}, publisher = {mathdoc}, volume = {12}, year = {1989}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MT_1989_12_a3/} }
L. L. Maksimova. Interpolation in modal logics of an infinite slice that contain the logic $\mathbf{K}4$. Matematičeskie trudy, Tome 12 (1989), pp. 72-91. http://geodesic.mathdoc.fr/item/MT_1989_12_a3/