Biblio
, “Nontrivial Solutions of a Nonlinear Wave Equation with Jumping Nonlinearity”, vol. 9, no. 4, p. 16, 2005.
, “THE STUDY OF A WAVE EQUATION WITH JUMPING NONLINEARITY BY DUALITY FORMULATION”, Communications in Applied Analysis, vol. 9, no. 2, p. 160, 2005.
, “SOURCE TERMS AND MULTIPLICITY OF SOLUTIONS IN A NONLINEAR ELLIPTIC EQUATION”, Communications in Applied Analysis, vol. 11, no. 2, p. 154, 2007.
]