@article{MZM_2014_95_4_a8,
     author = {A. Sh. Malkhasyan},
     title = {Pseudosymmetric {Equations} in a {Free} {Monoid}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {577--589},
     publisher = {mathdoc},
     volume = {95},
     number = {4},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2014_95_4_a8/}
}