@article{AL_2022_61_6_a1,
     author = {S. A. Drobyshevich},
     title = {Normal companions of intuitionistic modal logics},
     journal = {Algebra i logika},
     pages = {659--686},
     publisher = {mathdoc},
     volume = {61},
     number = {6},
     year = {2022},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2022_61_6_a1/}
}