@article{AL_2009_48_2_a0,
     author = {E. Ventura and V. A. Roman'kov},
     title = {The twisted conjugacy problem for endomorphisms of metabelian groups},
     journal = {Algebra i logika},
     pages = {157--173},
     publisher = {mathdoc},
     volume = {48},
     number = {2},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2009_48_2_a0/}
}