𝔖 Bobbio Scriptorium
✦   LIBER   ✦

On “virtual displacements” of material systems with linear differential constraints of the second order

✍ Scribed by V.I Kirgetov


Publisher
Elsevier Science
Year
1959
Tongue
English
Weight
426 KB
Volume
23
Category
Article
ISSN
0021-8928

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


On the Nonoscillatory Behavior of Soluti
✍ Horng-Jaan Li; Cheh-Chih Yeh 📂 Article 📅 1996 🏛 John Wiley and Sons 🌐 English ⚖ 633 KB

In this paper, we improve the Sturm comparison theorem and two nonoscillation criteria of LEIGHTON and WINTNER, and establish two variants of a WINTNER'S nonoscillatory criterion of the second order linear differential equation where r, c : [to,co) -+ IR, T > 0 a.e. on [to,m) and f , c E L 1 ( t o

On the existence of positive periodic so
✍ Xiong Li; Ziheng Zhang 📂 Article 📅 2011 🏛 John Wiley and Sons 🌐 English ⚖ 117 KB

## Abstract In this paper, we establish several criteria for the existence, multiplicity, nonexistence of positive periodic solutions of the following system by combining some new properties of Green's function together with Krasnosel'skĭ fixed point theorem on the compression and expression of co