@article{MZM_2013_93_3_a7,
     author = {Ling Zhu},
     title = {A {Refinement} of the {Becker{\textendash}Stark} {Inequalities}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {401--406},
     year = {2013},
     volume = {93},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2013_93_3_a7/}
}