47B01
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Kufner, Alois; Kuliev, Komil; Kulieva, Gulchehra; Eshimova, Mohlaroyim:
New equivalent conditions for Hardy-type inequalities.
(English).
Mathematica Bohemica,
vol. 149
(2024),
issue 1,
pp. 57-73
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Souilah, Khalid:
Generalized quadratic operators and perturbations.
(English).
Mathematica Bohemica,
vol. 147
(2022),
issue 1,
pp. 51-63
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