Publisher
Springer Science and Business Media LLC
Reference11 articles.
1. C. A. Swanson,Comparison and oscillation theory of linear differential equations, Academic Press, New York, 1968.
2. W. M. Whyburn,On self-adjoint ordinary differential equations of the fourth order, Amer. J. Math.,52 (1930), pp. 171–196.
3. J. H. Barrett,Systems-disconjugacy of a fourth order differential equation, Proc. Amer. Math. Soc.,12 (1961), pp. 205–213.
4. S. S. Cheng,Systems-conjugate and focal points of fourth order non-selfadjoint differential equations, Trans. Amer. Math. Soc.,223 (1976), pp. 155–165.
5. S. S. Cheng,Ph. D. dissertation, University of California at Davis, unpublished material.
Cited by
1 articles.
订阅此论文施引文献
订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献