@article{10_4153_CMB_2011_157_x,
     author = {Coons, Michael},
     title = {Transcendental {Solutions} of a {Class} of {Minimal} {Functional} {Equations}},
     journal = {Canadian mathematical bulletin},
     pages = {283--291},
     year = {2013},
     volume = {56},
     number = {2},
     doi = {10.4153/CMB-2011-157-x},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2011-157-x/}
}