@article{IM2_1997_61_1_a2,
     author = {V. V. Zhikov and M. E. Rychago},
     title = {Homogenization of non-linear second-order elliptic equations in perforated domains},
     journal = {Izvestiya. Mathematics },
     pages = {69--88},
     publisher = {mathdoc},
     volume = {61},
     number = {1},
     year = {1997},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1997_61_1_a2/}
}