@article{MZM_1986_40_4_a8,
     author = {B. E. Veits},
     title = {Lacunary systems in {Banach} spaces of class~$C^2$},
     journal = {Matemati\v{c}eskie zametki},
     pages = {511--518},
     publisher = {mathdoc},
     volume = {40},
     number = {4},
     year = {1986},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1986_40_4_a8/}
}