1. On the equation 𝑓ⁿ+𝑔ⁿ=1;Gross, Fred;Bull. Amer. Math. Soc.,1966
2. Oxford Mathematical Monographs;Hayman, W. K.,1964
3. Elementary proof of a theorem of P. Montel on entire functions;Jategaonkar, A. V.;J. London Math. Soc.,1965
4. P. Montel, Leçons sur les familles normales, Gauthier-Villars, Paris, 1927, pp. 135-136.