1.
Bondarenko LN, Zhuk PF. Exact estima tes for the rate of convergence of the <em class="a-plus-plus">s</em&gt;-step method of steepest descent in eigenvalue problems. Ukr. Mat. Zhurn. [Internet]. 1997Dec.25 [cited 2024Nov.24];49(12):1694–1699. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/5175