@article{MZM_1989_46_6_a8,
     author = {V. G. Durnev},
     title = {The {Mal'tsev--Nielsen} equation in a free metabelian group of rank two},
     journal = {Matemati\v{c}eskie zametki},
     pages = {57--60},
     publisher = {mathdoc},
     volume = {46},
     number = {6},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1989_46_6_a8/}
}