- T. N. Shorey, Current Trends in Number Theory, 2002,
185 
- N. Saradha, “More variants of Erdős-selfridge superelliptic curves and their rational points”, Indian J Pure Appl Math, 50, no. 2, 2019,
333 - Richard K. Guy, 1, Unsolved Problems in Number Theory, 2004,
71 - T. N. Shorey, Number Theory, 2000,
463 - Yann Bugeaud, T.N. Shorey, “On the Diophantine equation (xm-1)/(x-1) = (yn-1)/(y-1)”, Pacific J. Math., 207, no. 1, 2002,
61 - T. N. Shorey, Number Theory, 2000,
463