"Version: 20221201"--Title page verso.Includes bibliographical references.1. Formulas for the sums of the series of reciprocals of the cubic polynomials with integer roots, at least one zero / Radovan Pot?euc?eek -- 2. Polynomials for meshless methods in finding solutions in gradient elasticity problems / N. Fantuzzi, S. Saitta, F. Fabbrocino, R. Vescovini and R. Luciano -- 3. Numerical solutio…