@article{SM_1977_31_4_a3,
     author = {A. A. Suslin},
     title = {On stably free modules},
     journal = {Sbornik. Mathematics},
     pages = {479--491},
     publisher = {mathdoc},
     volume = {31},
     number = {4},
     year = {1977},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1977_31_4_a3/}
}