@article{EMJ_2012_3_4_a6,
     author = {J. Pe\v{c}ari\'c and I. Peri\'c and K. Smoljak},
     title = {Generalized fractional {Steffensen} type inequalities},
     journal = {Eurasian mathematical journal},
     pages = {81--98},
     publisher = {mathdoc},
     volume = {3},
     number = {4},
     year = {2012},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EMJ_2012_3_4_a6/}
}