@article{DAN_1993_329_5_a7,
     author = {G. E. Shikina},
     title = {Inequalities of {Hilbert} and {Hausdorff{\textendash}Young{\textendash}Riesz} type with respect to a system of eigen- and associated functions of an even-order differential operator},
     journal = {Doklady Akademii Nauk},
     pages = {556--558},
     year = {1993},
     volume = {329},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1993_329_5_a7/}
}