@article{AL_1982_21_6_a3,
     author = {L. L. Maksimova},
     title = {Absence of the interpolation property in modal companions of a},
     journal = {Algebra i logika},
     pages = {690--694},
     publisher = {mathdoc},
     volume = {21},
     number = {6},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1982_21_6_a3/}
}