@article{10_4064_sm_65_2_89_101,
     author = {J. Crenshaw and R. Kirk},
     title = {Group valued, \ensuremath{\alpha}-additive set functions},
     journal = {Studia Mathematica},
     pages = {89--101},
     publisher = {mathdoc},
     volume = {65},
     number = {2},
     year = {1979},
     doi = {10.4064/sm-65-2-89-101},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-65-2-89-101/}
}