共 50 条
- [2] FUNCTIONAL DETERMINANTS FOR ORDINARY DIFFERENTIAL-OPERATORS [J]. JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL, 1992, 25 (24): : 6743 - 6753
- [5] BISPECTRAL COMMUTATIVE ORDINARY DIFFERENTIAL-OPERATORS [J]. JOURNAL FUR DIE REINE UND ANGEWANDTE MATHEMATIK, 1993, 442 : 177 - 204
- [8] APPROXIMATION OF ISOLATED EIGENVALUES OF ORDINARY DIFFERENTIAL-OPERATORS [J]. JOURNAL FUR DIE REINE UND ANGEWANDTE MATHEMATIK, 1993, 445 : 31 - 44
- [10] INDEX LAWS FOR SOME ORDINARY DIFFERENTIAL-OPERATORS [J]. LECTURE NOTES IN MATHEMATICS, 1982, 964 : 485 - 493