Squassina, Marco2019-11-222019-11-221999-05-10Squassina, M. (1999). Existence of multiple solutions for quasilinear diagonal elliptic systems. <i>Electronic Journal of Differential Equations, 1999</i>(14), pp. 1-12.1072-6691https://hdl.handle.net/10877/8875Nonsmooth-critical-point theory is applied in proving multiplicity results for the quasilinear symmetric elliptic system -∑ni,j=1 Dj (αkij (x, u)Diuk) + 1/2 ∑ni,j=1 ∑Nh=1 Dsk αhij (x, u) Diuh Djuh = gk (x, u), for k = 1, .., N.Text12 pages1 file (.pdf)enAttribution 4.0 InternationalQuasilinear elliptic differential systemsNonsmooth critical point theoryArticle