Existence and multiplicity of solutions for a class of Helmholtz systems

Autor:	Ding, Yanheng, Wang, Hua-Yang
Zdroj:	In Journal of Differential Equations 25 August 2023 365:636-666
Databáze:	ScienceDirect
Externí odkaz:	Zobrazit plný text záznamu Full Text from ScienceDirect