TY JOUR TI The All-Russian Student´s Tender "Innovative Developments" KW tender KW project KW innovative developments KW geometry KW fractal KW CAD system KW 3D model KW engines KW compressors KW turbines KW cars KW piston-rodless devices JO Geometry & Graphics AU Prokopov, N.. AU Vyshnyepolskiy, V.I. AU Kadykova, N.S. PY 2016 IS 4 PB INFRA-M Academic Publishing LLC.