Geodesic
A note on a Theorem of Ermakov
Portugaliae mathematica, Tome 44 (1987) no. 2, pp. 213-219.

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

Keywords: summability by matrix methods, order of approximation 
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     author = {Mazhar, S.M. and Al-Budaiwi, Aisha},
     title = {A note on a {Theorem} of {Ermakov}},
     journal = {Portugaliae mathematica},
     pages = {213--219},
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     number = {2},
     year = {1987},
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     zbl = {0636.42004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1987__44_2_115582/}
}
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Mazhar, S.M.; Al-Budaiwi, Aisha. A note on a Theorem of Ermakov. Portugaliae mathematica, Tome 44 (1987) no. 2, pp. 213-219. http://geodesic.mathdoc.fr/item/PORMA_1987__44_2_115582/