@Article{ LerBar14, author = { Barilari, Davide and Lerario, Antonio }, title = { Geometry of Maslov Cycles }, journal = { Geometric Control and Sub-Riemannian Geometry }, year = { 2014 }, volume = { Springer INdAM }, pages = { }, URL = { http://cvgmt.sns.it/paper/2878/ }, note = { cvgmt preprint} }