@article{MZM_1985_38_4_a7,
     author = {V. V. Shevchik},
     title = {Subspaces in a pair of {Banach} spaces},
     journal = {Matemati\v{c}eskie zametki},
     pages = {545--553},
     publisher = {mathdoc},
     volume = {38},
     number = {4},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1985_38_4_a7/}
}