@article{10_4064_sm_17_2_121_140,
     author = {A. Alexiewicz and Z. Semadeni},
     title = {Linear functionals on two-norm spaces},
     journal = {Studia Mathematica},
     pages = {121--140},
     publisher = {mathdoc},
     volume = {17},
     number = {2},
     year = {1958},
     doi = {10.4064/sm-17-2-121-140},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-17-2-121-140/}
}