%0 Journal Article %T Euler Characteristic of αβ-Triangulation of a Compact Orientable Surface %A Rustamyan, V.V. %A Zhigulin, A.M. %K αβ-triangulation, Euler characteristic, closed surfaces, surfaces with boundary, discrete surfaces %J Geometry & Graphics %D 2026 %N 14 %P 11 %I INFRA-M Academic Publishing LLC.