Spirova, Margarita, Germany

• Contributions to Discrete Mathematics Vol. 5 No. 1 (2010) - Articles
  On a theorem of G. D. Chakerian
  Abstract  PDF
• Contributions to Discrete Mathematics Vol. 10 No. 2 (2015) - Articles
  On bisectors in normed planes
  Abstract  PDF
• Contributions to Discrete Mathematics Vol. 12 No. 2 (2017) - Articles
  Ball hulls, ball intersections, and 2-center problems for gauges
  Abstract  PDF