@article{10_4064_sm_14_1_1_12,
     author = {A. Alexiewicz},
     title = {A theorem on the structure of linear operations},
     journal = {Studia Mathematica},
     pages = {1--12},
     year = {1953},
     volume = {14},
     number = {1},
     doi = {10.4064/sm-14-1-1-12},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-14-1-1-12/}
}