@article{MZM_1977_22_2_a1,
     author = {S. A. Rakov},
     title = {The $C$-convexity of {Banach} spaces with unconditional bases},
     journal = {Matemati\v{c}eskie zametki},
     pages = {167--178},
     publisher = {mathdoc},
     volume = {22},
     number = {2},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1977_22_2_a1/}
}