@article{article2cab5029,
title   = {On a product formula for the Conley-Zelmder index of symplectic paths and its applications},
author = {Gosson, Maurice de and Gosson, Serge de and Piccione, Paolo},
year = {2008},
doi = {10.1007/s10455-008-9106-z},
journal   = {Annals of Global Analysis and Geometry}
}