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Author: Alsina, C.

• Alsina, C.; Cruells, P.; Tomás, M. S.: Characterizations of inner product spaces through an isosceles trapezoid property. (English). Archivum Mathematicum, vol. 35 (1999), issue 1, pp. 21-27
• Alsina, C.; Guijarro, P.; Tomás, M. S.: Characterizations of inner product structures involving the radius of the inscribed or circumscribed circumference. (English). Archivum Mathematicum, vol. 32 (1996), issue 3, pp. 233-239