@article{DAN_1963_150_5_a1,
     author = {O. V. Besov},
     title = {Extension of functions with preservation of differential-difference properties in $L_p$},
     journal = {Doklady Akademii Nauk},
     pages = {963--966},
     publisher = {mathdoc},
     volume = {150},
     number = {5},
     year = {1963},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1963_150_5_a1/}
}