@InCollection{zbMATH06843314,
Author = {Patrick {Foulon} and Boris {Hasselblatt}},
Title = {{Godbillon-Vey invariants for maximal isotropic \(C^2\) foliations.}},
BookTitle = {{Geometry, dynamics, and foliations 2013. In honor of Steven Hurder and Takashi Tsuboi on the occasion of their 60th birthdays. Based on the conferences held in Tokyo, Japan, `Geometry and Foliations 2013', September 9--14, 2013, `Geometry and Dynamics 2013', September 15--16, 2013 and `B\(\Gamma\) School II', September 17--19, 2013}},
ISBN = {978-4-86497-040-2/hbk},
Pages = {349--365},
Year = {2017},
Publisher = {Tokyo: Mathematical Society of Japan (MSJ)},
Language = {English},
MSC2010 = {53D10 57R30},
Zbl = {1386.53096}
}