@article{RCP25_1970__11__A3_0, author = {Loeffel, J. J. and Martin, A.}, title = {Propri\'et\'es analytiques des niveaux de l'oscillateur anharmonique et convergence des approximants de {Pade}}, journal = {Les rencontres physiciens-math\'ematiciens de Strasbourg -RCP25}, note = {talk:3}, pages = {1--22}, publisher = {Institut de Recherche Math\'ematique Avanc\'ee - Universit\'e Louis Pasteur}, volume = {11}, year = {1970}, language = {fr}, url = {http://www.numdam.org/item/RCP25_1970__11__A3_0/} }