@article{MZM_2012_91_2_a1,
     author = {Yu. V. Babenko and D. Skorokhodov},
     title = {The {Kolmogorov} and {Stechkin} {Problems} for {Classes} of {Functions} {Whose} {Second} {Derivative} {Belongs} to the {Orlicz} {Space}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {172--183},
     publisher = {mathdoc},
     volume = {91},
     number = {2},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2012_91_2_a1/}
}