@article{DAN_1990_313_5_a14,
     author = {V. A. Kalinin and I. O. Bayuk},
     title = {Energy constraints on the effective moduli of elasticity of},
     journal = {Doklady Akademii Nauk},
     pages = {1090--1094},
     publisher = {mathdoc},
     volume = {313},
     number = {5},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1990_313_5_a14/}
}