@article{lemouel:insu-03748865, TITLE = {{Identification of Gleissberg Cycles and a Rising Trend in a 315-Year-Long Series of Sunspot Numbers}}, AUTHOR = {Le Mou{\"e}l, Jean-Louis and Lopes, Fernand and Courtillot, Vincent}, URL = {https://insu.hal.science/insu-03748865}, JOURNAL = {{SOLAR PHYSICS}}, VOLUME = {292}, YEAR = {2017}, DOI = {10.1007/s11207-017-1067-6}, KEYWORDS = {Solar cycle ; observations ; models ; Gleissberg cycle ; Sunspot number ; Singular spectrum analysis ; Schwabe cycle ; Secular trend}, HAL_ID = {insu-03748865}, HAL_VERSION = {v1}, }