@article{10_4064_sm_56_1_31_38,
     author = {Graham Allan and Allan Sinclair},
     title = {Power factorization in {Banach} algebras with a bounded approximate identity},
     journal = {Studia Mathematica},
     pages = {31--38},
     publisher = {mathdoc},
     volume = {56},
     number = {1},
     year = {1976},
     doi = {10.4064/sm-56-1-31-38},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-56-1-31-38/}
}