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This note is part of my thesis, written while attending the University of Connecticut. I would like to extend my gratitude to my thesis advisor, William J. Wickless, for his help and guidance then and now.
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Goeters, H.P. Generating cotorsion theories and injective classes. Acta Math Hung 51, 99–107 (1988). https://doi.org/10.1007/BF01903623
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DOI: https://doi.org/10.1007/BF01903623