@article{SM_1974_23_2_a3,
     author = {G. M. Brodskii},
     title = {Endomorphism rings of free modules},
     journal = {Sbornik. Mathematics},
     pages = {215--231},
     publisher = {mathdoc},
     volume = {23},
     number = {2},
     year = {1974},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1974_23_2_a3/}
}