@article{10_4171_dm_769,
     author = {Diogo da Silva Machado and Maur{\'\i}cio Corr\^ea},
     title = {GSV-Index for {Holomorphic} {Pfaff} {Systems}},
     journal = {Documenta mathematica},
     pages = {1011--1027},
     year = {2020},
     volume = {25},
     doi = {10.4171/dm/769},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/dm/769/}
}