On the eigenvalue problem for the Hardy-Sobolev operator with indefinite weights. Sreenadh, K. — 2002 Electronic Journal of Differential Equations (EJDE) [electronic only]
On the second eigenvalue of a Hardy-Sobolev operator. Sreenadh, K. — 2004 Electronic Journal of Differential Equations (EJDE) [electronic only]
Multiple positive solutions for a singular elliptic equation with Neumann boundary condition in two dimensions. Kaur, Bhatia Sumit; Sreenadh, K. — 2009 Electronic Journal of Differential Equations (EJDE) [electronic only]