ruth.kellerhals@unifr.ch
 +41 26 300 9183
 https://orcid.org/0000-0001-5704-8521

• Department Head, Department of Mathematics
  PER 11 bu. 2.102
  Ch. du Musée 23
  1700 Fribourg

   

  PER 11, 2.102

   

  +41 26 300 9183

   
• Professor, Department of Mathematics
  PER 11 bu. 2.102
  Ch. du Musée 23
  1700 Fribourg

   

  PER 11, 2.102

   

  +41 26 300 9183