共 50 条
[32]
A DIRECT METHOD FOR SELFADJOINT SYSTEMS OF SECOND ORDER DIFFERENTIAL EQUATIONS
[J].
ATTI DELLA ACCADEMIA NAZIONALE DEI LINCEI RENDICONTI-CLASSE DI SCIENZE FISICHE-MATEMATICHE & NATURALI,
1969, 46 (04)
:330-&
[37]
DIFFERENTIAL INEQUALITIES BEYOND INTERVAL OF DISCONJUGACY
[J].
NOTICES OF THE AMERICAN MATHEMATICAL SOCIETY,
1972, 19 (01)
:A127-&
[38]
DISCONJUGACY OF COMPLEX 2ND-ORDER MATRIX DIFFERENTIAL-SYSTEMS
[J].
JOURNAL D ANALYSE MATHEMATIQUE,
1979, 36
:244-273
[39]
Disconjugacy of functional and differential systems (associated with input-output scattering model)
[J].
Computers and Mathematics with Applications,
1999, 38 (07)
:43-55