@article{GDZPPN002090147,
title = {Homoclinic Points in Conservative Systems.},
journal = {Inventiones mathematicae},
volume = {16},
year = {1972},
pages = {267-292},
zbl = {0247.58007},
url = {http://dml.mathdoc.fr/item/GDZPPN002090147}
}
Takens, Floris. Homoclinic Points in Conservative Systems.. Inventiones mathematicae, Tome 16 (1972) pp. 267-292. http://gdmltest.u-ga.fr/item/GDZPPN002090147/