Alomari, M.
(2017).
 Some Grűss type inequalities for Riemann-Stieltjes Integral and Applications.
<em>Acta Mathematica Universitatis Comenianae, 81</em>(2), 211 - 220.
Retrieved from <a href="http://www.iam.fmph.uniba.sk/amuc/ojs/index.php/amuc/article/view/770" target="_new">http://www.iam.fmph.uniba.sk/amuc/ojs/index.php/amuc/article/view/770</a>