@article{AL_2000_39_4_a2,
     author = {O. V. Belegradek},
     title = {A~residually finite associative algebra with an unsolvable word problem},
     journal = {Algebra i logika},
     pages = {441--451},
     publisher = {mathdoc},
     volume = {39},
     number = {4},
     year = {2000},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2000_39_4_a2/}
}