Author: Kolk, Enno
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Kolk, Enno; Raidjõe, Annemai:
The continuity of superposition operators on some sequence spaces defined by moduli.
(English).
Czechoslovak Mathematical Journal,
vol. 57
(2007),
issue 3,
pp. 777-792
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Kolk, Enno; Mölder, Annemai:
Inclusion theorems for some sets of sequences defined by $\varphi $-functions.
(English).
Mathematica Slovaca,
vol. 54
(2004),
issue 3,
pp. 267-279
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