@article{10_14708_wm_v29i01_4441,
     author = {J. Musielak},
     title = {Recenzja: {Z.} {Ditzian,} {V.} {Totik,} {Moduli} of {Smoothness}},
     journal = {Wiadomo\'sci Matematyczne},
     pages = { 171--173},
     publisher = {mathdoc},
     volume = {29},
     number = {01},
     year = {1990},
     doi = {10.14708/wm.v29i01.4441},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/wm.v29i01.4441/}
}