481
2 hryvnias
25.07.2008
Nickel silver (Cu-Ni-Zn)
12.8
31
Medallic alignment ↑↑
Conventionalized image of Voronoi diagram; the Small National Emblem
Heorhii Voronyi (1868-1908)
The 140th anniversary of birth of Heorhii Voronyi
Georgy Feodosevich Voronoy was an Ukrainian and Russian mathematician. Among other things, he defined the Voronoi diagram.