[On the acquisition of the first mathematical notions and their alterations. I. Phantasm and mathematical concept].
D002648:Child; D003210:Concept Formation; D006801:Humans; D007092:Imagination; D007858:Learning; D008433:Mathematics
Réflexions sur l'acquisition des premiéres notions mathématiques et ses vicissitudes. I. Fantasme et concept mathématique.