@article{articleea028b5c,
title   = {The multiscale perturbation method for second order elliptic equations},
author = {Ali, Alsadig and Pereira, Felipe and Sousa, Fabricio Simeoni de},
year = {2020},
doi = {10.1016/j.amc.2019.125023},
journal   = {Applied Mathematics and Computation}
}