@article{10_4153_CJM_1966_072_7,
     author = {Gross, Fred},
     title = {On the {Periodicity} of {Compositions} of {Entire} {Functions}},
     journal = {Canadian journal of mathematics},
     pages = {724--730},
     year = {1966},
     volume = {18},
     number = {1},
     doi = {10.4153/CJM-1966-072-7},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1966-072-7/}
}