@article{10_4153_CMB_1965_010_0,
     author = {Howroyd, T. D.},
     title = {On {Certain} {Simultaneous} {Functional} {Equations}},
     journal = {Canadian mathematical bulletin},
     pages = {77--82},
     year = {1965},
     volume = {8},
     number = {1},
     doi = {10.4153/CMB-1965-010-0},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1965-010-0/}
}