@article{10_1017_S0017089502020177,
     author = {G\"obel, R\"udiger and Paras, Agnes T.},
     title = {Splitting off free summands of torsion-free modules over complete {DVRs}},
     journal = {Glasgow mathematical journal},
     pages = {349--351},
     year = {2002},
     volume = {44},
     number = {2},
     doi = {10.1017/S0017089502020177},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089502020177/}
}