%0 Journal Article %T Classes de Wadge potentielles des bor¨Śliens ¨¤ coupes d¨Śnombrables %A Dominique Lecomte %J Mathematics %D 2007 %I arXiv %X We give, for each non self-dual Wadge class C contained in the class of the Gdelta sets, a characterization of Borel sets which are not potentially in C, among Borel sets with countable vertical sections; to do this, we use results of partial uniformization. %U http://arxiv.org/abs/0710.0132v1