@article{02187742,
title = {Homogenization of a multidimensional periodic elliptic operator in a neighborhood of an edge of an inner gap.},
journal = {Zapiski Nauchnykh Seminarov POMI},
volume = {314},
year = {2004},
pages = {60-74},
zbl = {1108.35008},
language = {en},
url = {http://dml.mathdoc.fr/item/02187742}
}
Birman, M.Sh.; Suslina, T.A. Homogenization of a multidimensional periodic elliptic operator in a neighborhood of an edge of an inner gap.. Zapiski Nauchnykh Seminarov POMI, Tome 314 (2004) pp. 60-74. http://gdmltest.u-ga.fr/item/02187742/