@article{DOCMA_2020__25__a38, author = {Corr\^ea, Maur{\'\i}cio and da Silva Machado, Diogo}, title = {GSV-Index for {Holomorphic} {Pfaff} {Systems}}, journal = {Documenta mathematica}, pages = {1011--1027}, publisher = {mathdoc}, volume = {25}, year = {2020}, language = {en}, url = {http://geodesic.mathdoc.fr/item/DOCMA_2020__25__a38/} }