@article{MZM_2000_68_2_a7,
     author = {V. G. Krotov},
     title = {Tangential boundary behavior of functions of several variables},
     journal = {Matemati\v{c}eskie zametki},
     pages = {230--248},
     publisher = {mathdoc},
     volume = {68},
     number = {2},
     year = {2000},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2000_68_2_a7/}
}