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@article{MZ_1982__180_173192, author = {Andr\'es Reyes}, title = {Some {Properties} of a {Regular} {Sequence} in {Hilbert} {Space.}}, journal = {Mathematische Zeitschrift}, pages = {331--334}, publisher = {mathdoc}, volume = {180}, year = {1982}, zbl = {0471.46015}, url = {http://geodesic.mathdoc.fr/item/MZ_1982__180_173192/} }
Andrés Reyes. Some Properties of a Regular Sequence in Hilbert Space.. Mathematische Zeitschrift, Tome 180 (1982), pp. 331-334. http://geodesic.mathdoc.fr/item/MZ_1982__180_173192/