W 2 , 2 estimates for solutions to non-uniformly elliptic PDE'S with measurable coefficients. Domokos, András (2005) JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only]
Weak Bloch property and weight estimates for elliptic operators M. A. Shubin (1989/1990) Séminaire Équations aux dérivées partielles (Polytechnique)
Weak discrete maximum principles Mohammad Mujalli Al-Mahameed (2005) Archivum Mathematicum We introduce weak discrete maximum principles for matrix equations associated with some elliptic problems. We also give an example on discrete maximum principles.