@article{TRSPY_1973_133_a20,
     author = {A. A. Fridman},
     title = {A~solution of the conjugacy problem in a~certain class of groups},
     journal = {Informatics and Automation},
     pages = {233--242},
     publisher = {mathdoc},
     volume = {133},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1973_133_a20/}
}