@article{TM_2006_253_a6,
     author = {V. A. Zorich},
     title = {Contact {Quasiconformal} {Immersions}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {81--87},
     publisher = {mathdoc},
     volume = {253},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_2006_253_a6/}
}