@article{DAN_1966_166_5_a7,
     author = {P. P. Zabreiko},
     title = {On differentiability of nonlinear operators in the spaces $\mathscr{L}_p$},
     journal = {Doklady Akademii Nauk},
     pages = {1039--1042},
     year = {1966},
     volume = {166},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1966_166_5_a7/}
}