We study the existence and uniqueness of positive solutions for a class of quasilinear elliptic equations. This model has been proposed in the self-channeling of a high-power ultrashort laser in matter.
"The Existence and Uniqueness Result for a Relativistic Nonlinear Schrödinger Equation." Abstr. Appl. Anal. 2014 1 - 10, 2014. https://doi.org/10.1155/2014/362985