@article{ASENS_1987_4_20_4_641_0, author = {Grigis, Alain}, title = {Estimations asymptotiques des intervalles d'instabilit\'e pour l'\'equation de {Hill}}, journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure}, pages = {641--672}, publisher = {Elsevier}, volume = {4e s{\'e}rie, 20}, number = {4}, year = {1987}, doi = {10.24033/asens.1548}, zbl = {0644.34021}, mrnumber = {89e:34056}, language = {fr}, url = {http://archive.numdam.org/articles/10.24033/asens.1548/} }