@article{10_14708_cm_v20i2_5899,
     author = {W. Chojnacki},
     title = {On {Banach} algebras which are {Hilbert} spaces},
     journal = {Commentationes Mathematicae},
     pages = { 279--281},
     publisher = {mathdoc},
     volume = {20},
     number = {2},
     year = {1978},
     doi = {10.14708/cm.v20i2.5899},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/cm.v20i2.5899/}
}