@article{10_4064_sm_94_2_187_192,
     author = {Ignacio Zalduendo},
     title = {A geometric condition equivalent to commutativity in {Banach} algebras},
     journal = {Studia Mathematica},
     pages = {187--192},
     publisher = {mathdoc},
     volume = {94},
     number = {2},
     year = {1989},
     doi = {10.4064/sm-94-2-187-192},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-94-2-187-192/}
}