Dushkin, V.D. 2013. Quadrature formulas for calculating integrals of piecewise continuous functions. Visnyk of V. N. Karazin Kharkiv National University. Ser. Mathematics, Applied Mathematics and Mechanics. 1061 (May 2013), 30-36. DOI:https://doi.org/10.26565/2221-5646-2013-1061-03.