@article{DAN_1964_159_3_a9,
     author = {S. M. Nikol'skii and P. I. Lizorkin},
     title = {Some inequalities for functions of weight classes and boundary-value problems with strong degeneracy on the boundary},
     journal = {Doklady Akademii Nauk},
     pages = {512--515},
     publisher = {mathdoc},
     volume = {159},
     number = {3},
     year = {1964},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1964_159_3_a9/}
}