@article{05508417, title = {An inequality of Ostrowski type via a mean value theorem.}, journal = {General Mathematics}, volume = {15}, year = {2007}, pages = {93-100}, zbl = {1164.26349}, language = {en}, url = {http://dml.mathdoc.fr/item/05508417} }
Popa, Emil. An inequality of Ostrowski type via a mean value theorem.. General Mathematics, Tome 15 (2007) pp. 93-100. http://gdmltest.u-ga.fr/item/05508417/