@article{AL_1990_29_4_a7,
     author = {Z. M. Kachemtseva},
     title = {Letter to the editors: {"On} the wreath product of $Z$-groups'' {[Algebra} i {Logika} 28 (1989), no.~3, 298--310; {MR1066317]}},
     journal = {Algebra i logika},
     pages = {500},
     publisher = {mathdoc},
     volume = {29},
     number = {4},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1990_29_4_a7/}
}