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Ungor, Burcu; Kurtulmaz, Yosum; Halicioglu, Sait; Harmanci, Abdullah Dual \(\pi\)-Rickart modules. (English) Zbl 1349.16014 Rev. Colomb. Mat. 46, No. 2, 167-183 (2012). MSC: 16D80 16E50 16U80 PDFBibTeX XMLCite \textit{B. Ungor} et al., Rev. Colomb. Mat. 46, No. 2, 167--183 (2012; Zbl 1349.16014) Full Text: arXiv Link