@article{ASNSP_2002_5_1_1_169_0,
     author = {Saint Raymond, Xavier},
     title = {Remarks on {G\r{a}rding} inequalities for differential operators},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {169--185},
     publisher = {Scuola normale superiore},
     volume = {Ser. 5, 1},
     number = {1},
     year = {2002},
     mrnumber = {1994806},
     zbl = {1050.35162},
     language = {en},
     url = {http://archive.numdam.org/item/ASNSP_2002_5_1_1_169_0/}
}