... Applications 2011, 2011:80http://www.journalofinequalitiesandapplications.com/content/2011/1/80Page 2 of 13sptϕ ⊂mi=1i=D. Choose a partition of unity of D,{g1, ,gm}, subordinate to the ... et al. Journal of Inequalities and Applications 2011, 2011:80http://www.journalofinequalitiesandapplications.com/content/2011/1/80Page 5 of 13RESEARCH Open AccessThe existence of solutions ... thenonhomogeneousA -harmonic equationGuanfeng Li, Yong Wang*and Gejun Bao* Correspondence: mathwy@hit.edu.cnDepartment of Mathematics,Harbin Institute of Technology,Harbin 150001, People’s Republicof...