Existence of nontrivial solutions for singular quasilinear equations with sign changing nonlinearity. Tyagi, Jagmohan — 2010 Electronic Journal of Differential Equations (EJDE) [electronic only]
An oscillation theorem for a second order nonlinear differential equations with variable potential. Tyagi, Jagmohan — 2009 Electronic Journal of Differential Equations (EJDE) [electronic only]
Existence of nonnegative solutions to positone-type problems in ℝ N with indefinite weights. Rajendran, Dhanya; Tyagi, Jagmohan — 2010 Electronic Journal of Differential Equations (EJDE) [electronic only]
An oscillation criteria for second-order nonlinear differential equations with functional arguments. Tyagi, Jagmohan; Raghavendra, Venkataramanarao — 2009 Electronic Journal of Differential Equations (EJDE) [electronic only]