@article{CMUC_1962_3_4_a2,
     author = {Kolom\'y, Josef},
     title = {On the solution of homogeneous functional equations in {Hilbert} space},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {36--47},
     year = {1962},
     volume = {3},
     number = {4},
     mrnumber = {0149306},
     zbl = {0108.29904},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1962_3_4_a2/}
}