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Author: Lee, Sin Min

• Lee, Sin Min; Tanoto, Rudy: Three classes of diameter edge-invariant graphs. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 28 (1987), issue 2, pp. 227-232
• Lee, Sin Min: On a simple one-element extension of left zero semigroups. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 21 (1980), issue 2, pp. 313-318