@article{AIF_2002__52_5_1533_0,
     author = {Bernard, Patrick},
     title = {Connecting orbits of time dependent {Lagrangian} systems},
     journal = {Annales de l'Institut Fourier},
     pages = {1533--1568},
     publisher = {Association des Annales de l{\textquoteright}institut Fourier},
     volume = {52},
     number = {5},
     year = {2002},
     doi = {10.5802/aif.1924},
     mrnumber = {1935556},
     zbl = {1008.37035},
     language = {en},
     url = {http://www.numdam.org/articles/10.5802/aif.1924/}
}