@article{DAN_1966_171_3_a3,
     author = {E. I. Grindlinger},
     title = {Unsolvability of the problem of the identity of words for a class of semigroups with solvable isomorphism problem},
     journal = {Doklady Akademii Nauk},
     pages = {519--520},
     publisher = {mathdoc},
     volume = {171},
     number = {3},
     year = {1966},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1966_171_3_a3/}
}