Existence results for classes of Laplacian systems with sign-changing weight. - Jaffar Ali; R. Shivaji (Appl. Math. Lett., 2007)

Positive solutions for elliptic equations involving nonlinearities with falling zeroes. - Eun Kyoung Lee; R. Shivaji; Jinglong Ye (Appl. Math. Lett., 2009)

Positive solutions for a class of non-cooperative pq-Laplacian systems with singularities. - K. D. Chu; D. D. Hai; R. Shivaji (Appl. Math. Lett., 2018)

Uniqueness for a class of singular quasilinear Dirichlet problem. - K. D. Chu; D. D. Hai; R. Shivaji (Appl. Math. Lett., 2020)