@article{MZM_2012_91_4_a17,
     author = {A. G. Myasnikov and V. N. Remeslennikov and E. V. Frenkel},
     title = {Amalgamated {Free} {Product} of {Groups:} {Normal} {Forms} and {Measures}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {633--637},
     publisher = {mathdoc},
     volume = {91},
     number = {4},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2012_91_4_a17/}
}