%0 Journal Article %A Wang Sheng-wang %T Differentiability of the Nemyckii operator %J Doklady Akademii Nauk %D 1963 %P 1198-1201 %V 150 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1963_150_6_a2/ %G ru %F DAN_1963_150_6_a2