@article{10_4064_cm_36_2_289_294,
     author = {P. D. T. A. Elliott},
     title = {On a conjecture of {Narkiewicz} about functions with non-decreasing normal order},
     journal = {Colloquium Mathematicum},
     pages = {289--294},
     publisher = {mathdoc},
     volume = {36},
     number = {2},
     year = {1976},
     doi = {10.4064/cm-36-2-289-294},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-36-2-289-294/}
}