Το work with title A subsolution-supersolution method for quasilinear systems by Kandylakis Dimitrios, Magiropoulos, Manolis is licensed under Creative Commons Attribution 4.0 International
Bibliographic Citation
D.A. Kandilakis, M. Magiropoulos, "A subsolution-supersolution method for
quasilinear systems," Electronic Journal of Differential Equations, vol. 2005, no. 97, pp. 1-5, 2005.
Assuming that a system of quasilinear equations of gradient typeadmits a strict supersolution and a strict subsolution, we show that it alsoadmits a positive solution