VarbanetsS. P. (2014). Generalized Twisted Kloosterman Sum Over <em class="a-plus-plus">ℤ</em>[<em class="a-plus-plus">i</em&gt;]. Ukrains’kyi Matematychnyi Zhurnal, 66(5), 609–618. Retrieved from https://umj.imath.kiev.ua/index.php/umj/article/view/2163