@article{10_21136_CMJ_1987_102167,
     author = {Dimitri\'c, Radoslav},
     title = {On chains of free modules over valuation domains},
     journal = {Czechoslovak Mathematical Journal},
     pages = {400--406},
     publisher = {mathdoc},
     volume = {37},
     number = {3},
     year = {1987},
     doi = {10.21136/CMJ.1987.102167},
     mrnumber = {904767},
     zbl = {0648.13006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1987.102167/}
}