@article{MZM_1995_58_2_a8,
     author = {Yu. V. Muranov},
     title = {$K$-groups of quadratic extensions of rings},
     journal = {Matemati\v{c}eskie zametki},
     pages = {272--280},
     publisher = {mathdoc},
     volume = {58},
     number = {2},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1995_58_2_a8/}
}