@article{DAN_1990_313_4_a0,
     author = {N. S. Bakhvalov and A. V. Knyazev},
     title = {Effective computation of averaged characteristics of composites of},
     journal = {Doklady Akademii Nauk},
     pages = {777--781},
     publisher = {mathdoc},
     volume = {313},
     number = {4},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1990_313_4_a0/}
}