@article{10_4153_CMB_1975_052_5,
     author = {\'Swiatak, Halina},
     title = {A {Characterization} of {Exponential} {Functions} with {Non-Linear} {Exponents}},
     journal = {Canadian mathematical bulletin},
     pages = {277--281},
     year = {1975},
     volume = {18},
     number = {2},
     doi = {10.4153/CMB-1975-052-5},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1975-052-5/}
}