@article{AA_2016_28_6_a7,
     author = {N. A. Shirokov},
     title = {Means of the power $-2$ of derivatives in the class~$S$},
     journal = {Algebra i analiz},
     pages = {189--207},
     publisher = {mathdoc},
     volume = {28},
     number = {6},
     year = {2016},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_2016_28_6_a7/}
}