@article{MZM_1999_66_3_a9,
     author = {A. E. Solov'ev},
     title = {Interpolation with gradient in the ball and polydisk},
     journal = {Matemati\v{c}eskie zametki},
     pages = {407--416},
     year = {1999},
     volume = {66},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1999_66_3_a9/}
}