Dzhelepov, Georgi, Faculty of Economics, Department of Mathematics and Informatics, Agricultural University of Plovdiv, 12 Mendeleev Blvd., 4000 Plovdiv, Bulgaria, Bulgaria

• Vol. 38, No 4 (2023) - Article
  SPHERES AND CIRCLES WITH RESPECT TO AN INDEFINITE METRIC ON A RIEMANNIAN MANIFOLD WITH A SKEW-CIRCULANT STRUCTURE
  Abstract  PDF