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- [4] EXTREMAL EIGENVALUES IN SOME STURM-LIOUVILLE PROBLEMS COMPTES RENDUS DE L ACADEMIE DES SCIENCES SERIE I-MATHEMATIQUE, 1995, 321 (03): : 265 - 270
- [6] Transformation operators and asymptotic formulas for the eigenvalues of a polynomial pencil of Sturm-Liouville operators Siberian Mathematical Journal, 2000, 41 : 453 - 464