@article{MZM_1986_39_3_a4,
     author = {A. L. Garkavi},
     title = {Uniqueness of the best approximation in mean of vector-valued functions},
     journal = {Matemati\v{c}eskie zametki},
     pages = {337--348},
     publisher = {mathdoc},
     volume = {39},
     number = {3},
     year = {1986},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1986_39_3_a4/}
}