@article{DAN_1961_137_2_a11,
     author = {D. S. Faermark},
     title = {An algorithm for establishing the identity of words in a nilpotent product of groups each given by a finite number 
},
     journal = {Doklady Akademii Nauk},
     pages = {291--294},
     publisher = {mathdoc},
     volume = {137},
     number = {2},
     year = {1961},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1961_137_2_a11/}
}