Sums of products of Kloosterman sums modulo $p^2$
Tom 196 / 2020
Acta Arithmetica 196 (2020), 203-217 MSC: Primary 11L05; Secondary 11L07. DOI: 10.4064/aa191215-16-1 Opublikowany online: 23 July 2020
We prove a general version of cancellations in sums of products of Kloosterman sums the denominators of which are squares of primes.