@incollection{SB_1985-1986__28__111_0, author = {Bennequin, Daniel}, title = {Probl\`emes elliptiques, surfaces de {Riemann} et structures symplectiques}, booktitle = {S\'eminaire Bourbaki : volume 1985/86, expos\'es 651-668}, series = {Ast\'erisque}, note = {talk:657}, pages = {111--136}, publisher = {Soci\'et\'e math\'ematique de France}, number = {145-146}, year = {1987}, mrnumber = {880029}, zbl = {0644.53031}, language = {fr}, url = {http://archive.numdam.org/item/SB_1985-1986__28__111_0/} }