@article{AL_2022_61_4_a5,
     author = {N. T. Kogabaev},
     title = {Complexity of the problem of being equivalent to {Horn} {formulas.~II}},
     journal = {Algebra i logika},
     pages = {469--482},
     publisher = {mathdoc},
     volume = {61},
     number = {4},
     year = {2022},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2022_61_4_a5/}
}