@article{IVM_1980_10_a11,
     author = {B. V. Godun},
     title = {Unconditional bases and shrinking basic sequences},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {69--72},
     publisher = {mathdoc},
     number = {10},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1980_10_a11/}
}