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Keywords:
Hereditary torsion theory $\tau$; $\tau$-injective module; $\tau$-exact module; preradical; exact torsion theory; perfect torsion theory
Hereditary torsion theory $\tau$; $\tau$-injective module; $\tau$-exact module; preradical; exact torsion theory; perfect torsion theory
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References:
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