Batteau, ValérieValérieBatteauKrainer, KonradVondrová, Naďa2018-04-302018-04-302016http://hdl.handle.net/20.500.12162/710We study the evolution of primary teachers’ practices in mathematics by analyzing the effects of a professional development training called lesson study (LS) in Lausanne, Switzerland. We answer the following question: what practices will change and what will resist change?enDidactique des mathématiquesType de référence::Communications::Communication scientifique publiée