%0 Journal Article %A Alessandro Pezzoni %T A Jarník-type theorem for a problem of approximation by cubic polynomials %J Acta Arithmetica %D 2020 %P 269-281 %V 193 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa180926-9-5/ %R 10.4064/aa180926-9-5 %G en %F 10_4064_aa180926_9_5