Geodesic
Пространство ретракций квадрата
Problemy analiza, no. 3 (1996), pp. 172-174.

Voir la notice de l'article provenant de la source Math-Net.Ru

It is proved that Hilbert space $l_{2}$ is a space of retractions of the disk. 
@article{PA_1996_3_a14,
     author = {N. S. Strekolovkaya},
     title = {{\CYRP}{\cyrr}{\cyro}{\cyrs}{\cyrt}{\cyrr}{\cyra}{\cyrn}{\cyrs}{\cyrt}{\cyrv}{\cyro} {\cyrr}{\cyre}{\cyrt}{\cyrr}{\cyra}{\cyrk}{\cyrc}{\cyri}{\cyrishrt} {\cyrk}{\cyrv}{\cyra}{\cyrd}{\cyrr}{\cyra}{\cyrt}{\cyra}},
     journal = {Problemy analiza},
     pages = {172--174},
     publisher = {mathdoc},
     number = {3},
     year = {1996},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PA_1996_3_a14/}
}
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IS  - 3
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%T Пространство ретракций квадрата
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N. S. Strekolovkaya. Пространство ретракций квадрата. Problemy analiza, no. 3 (1996), pp. 172-174. http://geodesic.mathdoc.fr/item/PA_1996_3_a14/