@article{DAN_1988_299_4_a5,
     author = {V. V. Zhikov},
     title = {Estimates for the trace of an averaged tensor},
     journal = {Doklady Akademii Nauk},
     pages = {796--800},
     publisher = {mathdoc},
     volume = {299},
     number = {4},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1988_299_4_a5/}
}