@article{AL_2010_49_6_a2,
     author = {Yu. L. Ershov},
     title = {Toward a~theorem of {Douady}},
     journal = {Algebra i logika},
     pages = {757--765},
     publisher = {mathdoc},
     volume = {49},
     number = {6},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2010_49_6_a2/}
}