Silviu Radu,
"A Note on a Problem Proposed by Kim and Lisonek"
, in Jaime Gutierrez, Josef Schicho, Martin Weimann: Computer Algebra and Polynomials, Serie Lecture Notes in Computer Science (LNCS), Vol. 8942, Springer, Cham, Seite(n) 151-156, 2015, ISBN: 978-3-319-15080-2