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@article{MZM_1989_45_1_a1, author = {A. L. Garkavi}, title = {Haar's condition for systems of vector-valued functions}, journal = {Matemati\v{c}eskie zametki}, pages = {10--15}, publisher = {mathdoc}, volume = {45}, number = {1}, year = {1989}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1989_45_1_a1/} }
A. L. Garkavi. Haar's condition for systems of vector-valued functions. Matematičeskie zametki, Tome 45 (1989) no. 1, pp. 10-15. http://geodesic.mathdoc.fr/item/MZM_1989_45_1_a1/