@article{10_4064_ap_58_2_147_159,
     author = {Roman Badora},
     title = {On some generalized invariant means and their application to the stability of the {Hyers-Ulam} type},
     journal = {Annales Polonici Mathematici},
     pages = {147--159},
     publisher = {mathdoc},
     volume = {58},
     number = {2},
     year = {1993},
     doi = {10.4064/ap-58-2-147-159},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-58-2-147-159/}
}