“…For the existence of weak solutions for special cases of (1.2), see e.g. [4][5][6]10,12,14,15,22]: in this circumstance, the solutions found are indeed positive, bounded and C 2,α (see Theorem 3.4 in [14] and Lemma 4.4 in [3]). In this case, equation ( for a suitable c(N, s) > 0, see e.g.…”