@article{ASENS_2009_4_42_2_261_0,
     author = {Planchon, Fabrice and Vega, Luis},
     title = {Bilinear virial identities and applications},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {261--290},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {Ser. 4, 42},
     number = {2},
     year = {2009},
     doi = {10.24033/asens.2096},
     mrnumber = {2518079},
     zbl = {1192.35166},
     language = {en},
     url = {http://archive.numdam.org/articles/10.24033/asens.2096/}
}