Dergiler / Hacettepe Journal of Mathematics and Statistics / 2010 / Cilt: 39 - Sayı: 2Some Properties of the Psi and Polygamma FunctionsSome Properties of the Psi and Polygamma FunctionsBai Ni GUO, Feng QIDergiHacettepe Journal of Mathematics and StatisticsSayı2010 · Cilt: 39 - Sayı: 2Sayfa219–231DOI—Anahtar kelimeler: -