@article{10_14708_cm_v13i2_5680,
     author = {J. R. Holub},
     title = {Concerning biorthogonal systems in {C(S)}},
     journal = {Commentationes Mathematicae},
     pages = { 275--279},
     publisher = {mathdoc},
     volume = {13},
     number = {2},
     year = {1970},
     doi = {10.14708/cm.v13i2.5680},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/cm.v13i2.5680/}
}