@article{10_4153_CMB_1967_018_x,
     author = {Fischer, P. and Musz\'ely, Gy.},
     title = {On {Some} {New} {Generalizations} of the {Functional} {Equation} of {Cauchy}},
     journal = {Canadian mathematical bulletin},
     pages = {197--205},
     year = {1967},
     volume = {10},
     number = {2},
     doi = {10.4153/CMB-1967-018-x},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1967-018-x/}
}