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@article{DAN_1970_192_1_a0, author = {B. E. Veits}, title = {Orthogonal systems of elements in smooth {Banach} spaces}, journal = {Doklady Akademii Nauk}, pages = {9--12}, publisher = {mathdoc}, volume = {192}, number = {1}, year = {1970}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1970_192_1_a0/} }
B. E. Veits. Orthogonal systems of elements in smooth Banach spaces. Doklady Akademii Nauk, Tome 192 (1970) no. 1, pp. 9-12. http://geodesic.mathdoc.fr/item/DAN_1970_192_1_a0/