@article{RSMUP_1993__89__177_0,
     author = {Ambrosetti, Antonio and Coti Zelati, Vittorio},
     title = {Multiple homoclinic orbits for a class of conservative systems},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {177--194},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {89},
     year = {1993},
     mrnumber = {1229052},
     zbl = {0806.58018},
     language = {en},
     url = {http://www.numdam.org/item/RSMUP_1993__89__177_0/}
}