@phdthesis{BJHTUP11_1994__0365__A1_0, author = {Bidegaray, Brigitte}, title = {Etude qualitative d'\'equations d'ondes dispersives}, series = {Th\`eses d'Orsay}, publisher = {Universit\'e de Paris-Sud Centre d'Orsay}, number = {365}, year = {1994}, language = {fr}, url = {http://www.numdam.org/item/BJHTUP11_1994__0365__A1_0/} }