@article{10_4064_cm133_1_3,
     author = {Janusz Matkowski},
     title = {Generalized weighted quasi-arithmetic means and the {Kolmogorov{\textendash}Nagumo} theorem},
     journal = {Colloquium Mathematicum},
     pages = {35--49},
     publisher = {mathdoc},
     volume = {133},
     number = {1},
     year = {2013},
     doi = {10.4064/cm133-1-3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm133-1-3/}
}