@article{MZM_2006_79_3_a7,
     author = {A. A. Klyachko},
     title = {How to generalize known results on equations over groups},
     journal = {Matemati\v{c}eskie zametki},
     pages = {409--419},
     publisher = {mathdoc},
     volume = {79},
     number = {3},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2006_79_3_a7/}
}