enmesh 发表于 2025-3-23 10:26:29

The liouville-green asymptotic theory for second-order differential equations: A new approach and s

有机体 发表于 2025-3-23 15:25:13

http://reply.papertrans.cn/71/7037/703679/703679_12.png

陈腐的人 发表于 2025-3-23 21:10:06

A concept of adjointness and symmetry of differential expressions based on the generalised Lagrange

唤起 发表于 2025-3-23 22:50:38

http://reply.papertrans.cn/71/7037/703679/703679_14.png

废止 发表于 2025-3-24 03:27:13

http://reply.papertrans.cn/71/7037/703679/703679_15.png

胎儿 发表于 2025-3-24 06:58:37

http://reply.papertrans.cn/71/7037/703679/703679_16.png

arcane 发表于 2025-3-24 14:42:56

http://reply.papertrans.cn/71/7037/703679/703679_17.png

Conscientious 发表于 2025-3-24 16:14:46

http://reply.papertrans.cn/71/7037/703679/703679_18.png

Engaged 发表于 2025-3-24 18:59:17

http://reply.papertrans.cn/71/7037/703679/703679_19.png

红润 发表于 2025-3-25 02:02:59

Matrix riccati inequality and oscillation of second order differential systems,
页: 1 [2] 3 4 5 6 7
查看完整版本: Titlebook: Ordinary Differential Equations and Operators; A Tribute to F.V. At W. N. Everitt,R. T. Lewis Conference proceedings 1983 Springer-Verlag B