Kaplansky classes
Rendiconti del Seminario Matematico della Università di Padova, Tome 107 (2002), pp. 67-79. 
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}
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Enochs, Edgar E.; López-Ramos, J. A. Kaplansky classes. Rendiconti del Seminario Matematico della Università di Padova, Tome 107 (2002), pp. 67-79. http://archive.numdam.org/item/RSMUP_2002__107__67_0/

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