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- [5] On a variational approximation method for a class of elliptic eigenvalue problems in composite structures Math Comput, 215 (999-1017):
- [7] Variational formulas and approximation theorems for the first eigenvalue in dimension one SCIENCE IN CHINA SERIES A-MATHEMATICS, 2001, 44 (04): : 409 - 418
- [9] Variational formulas and approximation theorems for the first eigenvalue in dimension one Science in China Series A: Mathematics, 2001, 44 : 409 - 418