@article{IM2_1995_44_1_a5,
     author = {V. A. Faiziev},
     title = {Pseudocharacters on free groups},
     journal = {Izvestiya. Mathematics},
     pages = {119--141},
     year = {1995},
     volume = {44},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1995_44_1_a5/}
}