@article{EMJ_2012_3_4_a3,
     author = {V. Gol'dshtein and A. Ukhlov},
     title = {Brennan's conjecture for composition operators on {Sobolev} spaces},
     journal = {Eurasian mathematical journal},
     pages = {35--43},
     publisher = {mathdoc},
     volume = {3},
     number = {4},
     year = {2012},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EMJ_2012_3_4_a3/}
}