@article{AFM_2005_30_1_a1,
     author = {O. Martio and V. Ryazanov and U. Srebro and E. Yakubov},
     title = {On {Q-homeomorphisms}},
     journal = {Annales Fennici Mathematici},
     pages = {49--69},
     publisher = {mathdoc},
     volume = {30},
     number = {1},
     year = {2005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AFM_2005_30_1_a1/}
}