@article{ZNSL_1979_94_a15,
     author = {V. I. Yanchevskii},
     title = {Reduced unitary {Whitehead} groups of skew fields of noncommutative rational functions},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {142--148},
     publisher = {mathdoc},
     volume = {94},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1979_94_a15/}
}