@article{MZM_1987_41_4_a0,
     author = {A. P. Abramov},
     title = {Syntactic homomorphisms},
     journal = {Matemati\v{c}eskie zametki},
     pages = {465--468},
     publisher = {mathdoc},
     volume = {41},
     number = {4},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1987_41_4_a0/}
}