@article{MZM_1997_62_6_a12,
     author = {E. I. Timoshenko},
     title = {On the definability of endomorphisms of a free group of the variety $\mathfrak{AM}$ by a finite set of values},
     journal = {Matemati\v{c}eskie zametki},
     pages = {916--920},
     publisher = {mathdoc},
     volume = {62},
     number = {6},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1997_62_6_a12/}
}