# Article

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Keywords:
$A_\infty$ structures; transfer; homological perturbation lemma
Summary:
The present article is devoted to the study of transfers for $A_\infty$ structures, their maps and homotopies, as developed in [7]. In particular, we supply the proofs of claims formulated therein and provide their extension by comparing them with the former approach based on the homological perturbation lemma.
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