Ciolan, Alexandru; Luca, Florian; Moree, Pieter Counting terms \(U_n\) of third order linear recurrences with \(u_n = u^2 + nv^2\). (English) Zbl 1425.11024 J. Ramanujan Math. Soc. 32, No. 2, 165-183 (2017). MSC: 11B37 11N56 PDFBibTeX XMLCite \textit{A. Ciolan} et al., J. Ramanujan Math. Soc. 32, No. 2, 165--183 (2017; Zbl 1425.11024) Full Text: arXiv Link
Luca, Florian; Shparlinski, Igor E.; Thangadurai, R. Quadratic non-residues versus primitive roots modulo \(p\). (English) Zbl 1202.11045 J. Ramanujan Math. Soc. 23, No. 1, 97-104 (2008). Reviewer: Sidney W. Graham (Mount Pleasant) MSC: 11N69 11A07 11L40 11N35 PDFBibTeX XMLCite \textit{F. Luca} et al., J. Ramanujan Math. Soc. 23, No. 1, 97--104 (2008; Zbl 1202.11045)