@article{MZM_2014_96_6_a0,
     author = {M. Andric and A. Barbir and J. Pe\v{c}ari\'c},
     title = {On {Willett's,} {Godunova--Levin's,} and {Rozanova's} {Opial-Type} {Inequalities} with {Related} {Stolarsky-Type} {Means}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {803--819},
     publisher = {mathdoc},
     volume = {96},
     number = {6},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2014_96_6_a0/}
}