@article{TM_2011_274_a9,
     author = {Igor G. Lysenok and Alexei G. Myasnikov},
     title = {A polynomial bound on solutions of quadratic equations in free groups},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {148--190},
     publisher = {mathdoc},
     volume = {274},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_2011_274_a9/}
}