Geodesic
About finite lower neighbourhood in functional space
Prikladnaâ diskretnaâ matematika, no. 10 (2009) 
N. G. Parvatov. About finite lower neighbourhood in functional space. Prikladnaâ diskretnaâ matematika, no. 10 (2009). http://geodesic.mathdoc.fr/item/PDM_2009_10_a3/
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     author = {N. G. Parvatov},
     title = {About finite lower neighbourhood in functional space},
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     year = {2009},
     number = {10},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PDM_2009_10_a3/}
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Voir la notice de l'article provenant de la source Math-Net.Ru

In this paper, we deal with a space that is a set with a closure property whose any finitely generated closed subspace has a finite lower neighbourhood. Such spaces arise in discrete functional systems with superpositions.

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