@article{AL_1983_22_3_a2,
     author = {A. Yu. Muravitskii},
     title = {Comparison of topological and relational semantics of},
     journal = {Algebra i logika},
     pages = {276--296},
     publisher = {mathdoc},
     volume = {22},
     number = {3},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1983_22_3_a2/}
}