@article{ADM_2014_18_1_a10,
     author = {Oswaldo Lezama and Claudia Gallego},
     title = {Matrix approach to noncommutative stably free modules and {Hermite} rings},
     journal = {Algebra and discrete mathematics},
     pages = {109--137},
     publisher = {mathdoc},
     volume = {18},
     number = {1},
     year = {2014},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ADM_2014_18_1_a10/}
}