@article{10_4064_sm_40_1_35_39,
     author = {John Lindberg},
     title = {Extension of algebra norms and applications},
     journal = {Studia Mathematica},
     pages = {35--39},
     publisher = {mathdoc},
     volume = {40},
     number = {1},
     year = {1971},
     doi = {10.4064/sm-40-1-35-39},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-40-1-35-39/}
}