共 50 条
- [26] Constructing both lower and upper bounds for the eigenvalues of elliptic operators by nonconforming finite element methods Numerische Mathematik, 2015, 131 : 273 - 302
- [30] ASYMPTOTIC DISTRIBUTION OF LOWER PART EIGENVALUES FOR ELLIPTIC OPERATORS PROCEEDINGS OF THE JAPAN ACADEMY, 1974, 50 (03): : 185 - 187