@article{DAN_1966_171_2_a11,
     author = {G. S. Makanin},
     title = {On the identity problem in finitely defined semigroups},
     journal = {Doklady Akademii Nauk},
     pages = {285--287},
     publisher = {mathdoc},
     volume = {171},
     number = {2},
     year = {1966},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1966_171_2_a11/}
}