@article{AM2_1974__11_136460,
     author = {Seiji Nabeya},
     title = {On the {Functional} {Equation} f(p + qx + rf(x)) = a + bx + cf(x).},
     journal = {Aequationes mathematicae},
     pages = {199--211},
     publisher = {mathdoc},
     volume = {11},
     year = {1974},
     zbl = {0289.39003},
     url = {http://geodesic.mathdoc.fr/item/AM2_1974__11_136460/}
}