Kapitsa P.,  Radchik P. Mnogougolniki i krugi. Pyatnadtsat let 1917-1932 VLKSM. ONTI im. Bukharina./Kapitsa P.,  Radchik P. Polygons and Circles. Fifteen years 1917-1932 VLKSM. ONTI named after Bukharin. In Russian - landofmagazines.com

TransliterationKapitsa P., Radchik P. Mnogougolniki i krugi. Pyatnadtsat let 1917-1932 VLKSM. ONTI im. Bukharina.

In EnglishKapitsa P., Radchik P. Polygons and Circles. Fifteen years 1917-1932 VLKSM. ONTI named after Bukharin. In Russian

$299