@article{AUPCM_2015_14_a6,
     author = {Malejki, Renata},
     title = {Stability of a generalization of the {Fr\'echet} functional equation},
     journal = {Annales Universitatis Paedagogicae Cracoviensis. Studia Mathematica},
     publisher = {mathdoc},
     number = {14},
     year = {2015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AUPCM_2015_14_a6/}
}