@Article{ Harbrecht.Peters.Siebenmorgen:2013, title = {Combination technique based $k$-th moment analysis of elliptic problems with random diffusion}, author = {Harbrecht, H. and Peters, M. and Siebenmorgen, M.}, journal = {Journal of Computational Physics}, volume = {252}, pages = {128--141}, year = {2013}, publisher = {Elsevier} }