@article{10_4153_CMB_1960_012_8,
     author = {Baker, I. N.},
     title = {Solutions of the {Functional} {Equation} (f(x))2 - f(x2) = h(x)},
     journal = {Canadian mathematical bulletin},
     pages = {113--120},
     year = {1960},
     volume = {3},
     number = {2},
     doi = {10.4153/CMB-1960-012-8},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1960-012-8/}
}