The main result establishes that a weak solution of degenerate nonlinear elliptic equations can be approximated by a sequence of solutions for non-degenerate nonlinear elliptic equations.
@article{bwmeta1.element.ojs-doi-10_17951_a_2018_72_1_29-43, author = {Albo Carlos Cavalheiro}, title = {An existence and approximation theorem for solutions of degenerate nonlinear elliptic equations}, journal = {Annales Universitatis Mariae Curie-Sk\l odowska, sectio A -- Mathematica}, volume = {72}, year = {2018}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.ojs-doi-10_17951_a_2018_72_1_29-43} }
Albo Carlos Cavalheiro. An existence and approximation theorem for solutions of degenerate nonlinear elliptic equations. Annales Universitatis Mariae Curie-Skłodowska, sectio A – Mathematica, Tome 72 (2018) . http://gdmltest.u-ga.fr/item/bwmeta1.element.ojs-doi-10_17951_a_2018_72_1_29-43/
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