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Winter 1976 Quasi-pure projective and injective torsion free abelian groups of rank 2
D. Arnold, C.I. Vinsonhaler, W.J. Wickless
Rocky Mountain J. Math. 6(1): 61-70 (Winter 1976). DOI: 10.1216/RMJ-1976-6-1-61
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Vol.6 • No. 1 • Winter 1976
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