@article{10_21136_CMJ_1985_102028,
     author = {Wolfenstein, Samuel},
     title = {Semi-projectable $\ell$-groups},
     journal = {Czechoslovak Mathematical Journal},
     pages = {385--390},
     publisher = {mathdoc},
     volume = {35},
     number = {3},
     year = {1985},
     doi = {10.21136/CMJ.1985.102028},
     mrnumber = {803033},
     zbl = {0607.06009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1985.102028/}
}