@article{10_14708_cm_v17i1_5770,
     author = {J. Diestel},
     title = {On the essential uniqueness of an example of {{\CYRS}.} {E.} {Rickart}},
     journal = {Commentationes Mathematicae},
     pages = { 263--264},
     publisher = {mathdoc},
     volume = {17},
     number = {1},
     year = {1973},
     doi = {10.14708/cm.v17i1.5770},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/cm.v17i1.5770/}
}