Same average in every direction

Barany, Imre ✉ [Bárány, Imre (Geometria), author] Combinatorics and Discrete Mathematics (RAMKI); Domokos, Gabor [Domokos, Gábor (Nemlineáris mecha...), author] Department of Morphology and Geometric Modeling (BUTE / FA); HUN-REN-BME Morphodynamics Research Group (BUTE / FA / DMMS)