@article{10_14708_cm_v19i1_5849,
     author = {V. K. Singh},
     title = {On the absolute summability {|C,} r+1|_k of the conjugate series of the r-th derived series of {Fourier} series},
     journal = {Commentationes Mathematicae},
     pages = { 147--153},
     publisher = {mathdoc},
     volume = {19},
     number = {1},
     year = {1976},
     doi = {10.14708/cm.v19i1.5849},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/cm.v19i1.5849/}
}