@article{AM2_1982__25_136970,
     author = {Elemer E. Rosinger},
     title = {The algebraic uniqueness of the addition of natural numbers.},
     journal = {Aequationes mathematicae},
     pages = {269--273},
     publisher = {mathdoc},
     volume = {25},
     year = {1982},
     zbl = {0527.08001},
     url = {http://geodesic.mathdoc.fr/item/AM2_1982__25_136970/}
}