Geodesic
Generalized approximation numbers
Portugaliae mathematica, Tome 43 (1985) no. 1, pp. 157-166.

Voir la notice de l'article provenant de la source European Digital Mathematics Library

Keywords: generalized approximation numbers, singular values, invariant factors, principal ideal domains, interlacing 
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     author = {Queir\'o, Jo\~ao Filipe},
     title = {Generalized approximation numbers},
     journal = {Portugaliae mathematica},
     pages = {157--166},
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     volume = {43},
     number = {1},
     year = {1985},
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     zbl = {0601.15007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1985__43_1_114494/}
}
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Queiró, João Filipe. Generalized approximation numbers. Portugaliae mathematica, Tome 43 (1985) no. 1, pp. 157-166. http://geodesic.mathdoc.fr/item/PORMA_1985__43_1_114494/