On a Brezis-Nirenberg type problem. Catrina, Florin — 2006 Electronic Journal of Differential Equations (EJDE) [electronic only]
A one-dimensional nonlinear degenerate elliptic equation. Catrina, Florin; Wang, Zhi-Qiang — 2001 Electronic Journal of Differential Equations (EJDE) [electronic only]
A refinement of the radial Pohozaev identity Florin Catrina — 2010 Mathematica Bohemica In this article we produce a refined version of the classical Pohozaev identity in the radial setting. The refined identity is then compared to the original, and possible applications are discussed.
Positive bound states having prescribed symmetry for a class of nonlinear elliptic equations in RN Florin Catrina; Zhi-Qiang Wang — 2001 Annales de l'I.H.P. Analyse non linéaire