共 50 条
- [32] ESSENTIAL SPECTRA OF A CLASS OF ELLIPTIC-OPERATORS JOURNAL OF THE LONDON MATHEMATICAL SOCIETY-SECOND SERIES, 1988, 38 : 286 - 292
- [35] MULTIDIMENSIONAL SPECTRAL ASYMPTOTICS FOR ELLIPTIC-OPERATORS DOKLADY AKADEMII NAUK SSSR, 1983, 268 (04): : 789 - 793
- [36] UNIFORMLY ELLIPTIC-OPERATORS ON RIEMANNIAN MANIFOLD COMPTES RENDUS DE L ACADEMIE DES SCIENCES SERIE I-MATHEMATIQUE, 1991, 312 (01): : 25 - 30