The variogram and estimation error in connection with the assessment of continuous streams. Barnett, Neil S. — 2005 JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only]
A note on a weighted Ostrowski type inequality for cumulative distribution functions. Rafiq, A.; Barnett, Neil S. — 2006 JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only]
On the weighted Ostrowski inequality. Barnett, Neil S.; Dragomir, Sever S. — 2007 JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only]