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Li Chi-Kwong; Poon Yiu Tung: Numerical range, dilation, and maximal operator systems. In: Acta scientiarum mathematicarum, (86) 3-4. pp. 681-696. (2020)
Ilišević Dijana; Kuzma Bojan; Li Chi-Kwong; Poon Edward: Preservers of isometries. In: Acta scientiarum mathematicarum, (84) 1-2. pp. 3-17. (2018)
Li Chi-Kwong; Poon Yiu Tung: Davis-Wielandt shells of normal operators. In: Acta scientiarum mathematicarum, (75) 1-2. pp. 289-297. (2009)