@article{AIHPA_1970__13_4_363_0,
     author = {Surdin, M.},
     title = {L'\'etat fondamental de l'oscillateur harmonique est-il un cycle limite ?},
     journal = {Annales de l'institut Henri Poincar\'e. Section A, Physique Th\'eorique},
     pages = {363--370},
     publisher = {Gauthier-Villars},
     volume = {13},
     number = {4},
     year = {1970},
     language = {fr},
     url = {http://www.numdam.org/item/AIHPA_1970__13_4_363_0/}
}