@article{10_4064_cm_51_1_213_219,
     author = {Z. Lipecki},
     title = {Tight extensions of group-valued quasi-measures},
     journal = {Colloquium Mathematicum},
     pages = {213--219},
     publisher = {mathdoc},
     volume = {51},
     number = {1},
     year = {1987},
     doi = {10.4064/cm-51-1-213-219},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-51-1-213-219/}
}