@article{10_1017_S0017089500009307,
     author = {Betley, Stanislaw},
     title = {Homological stability for {On,n} over semi-local rings},
     journal = {Glasgow mathematical journal},
     pages = {255--259},
     year = {1990},
     volume = {32},
     number = {2},
     doi = {10.1017/S0017089500009307},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500009307/}
}