%0 Journal Article %A P. P. Zabreiko %T On differentiability of nonlinear operators in the spaces $\mathscr{L}_p$ %J Doklady Akademii Nauk %D 1966 %P 1039-1042 %V 166 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1966_166_5_a7/ %G ru %F DAN_1966_166_5_a7