@incollection{JEDP_2005____A9_0,
     author = {Nourrigat, J.},
     title = {Exponential of a hamiltonian in large subsets of a lattice and applications},
     booktitle = {},
     series = {Journ\'ees \'equations aux d\'eriv\'ees partielles},
     eid = {9},
     pages = {1--9},
     publisher = {Groupement de recherche 2434 du CNRS},
     year = {2005},
     doi = {10.5802/jedp.21},
     mrnumber = {2352777},
     language = {en},
     url = {http://www.numdam.org/articles/10.5802/jedp.21/}
}