共 31 条
[2]
Alimohammady M, 2013, J PSEUDO-DIFFER OPER, V4, P371, DOI 10.1007/s11868-013-0071-3
[3]
[Anonymous], 1992, Annals of Global Analysis and Geometry
[4]
[Anonymous], 1958, Journal d'Analyse Mathematique
[5]
[Anonymous], 1981, Princeton Mathematical Series
[7]
Boggiatto P., 2001, REND SEM MAT U POLIT, V59, P229
[8]
BOGGIATTO P, 1996, GLOBAL HYPOELLIPTICI