@article{05165192,
title = {On the interior smoothness of solutions to second-order elliptic equations.},
journal = {Sibirskij Matematicheskij Zhurnal},
volume = {46},
year = {2005},
pages = {1036-1052},
zbl = {1114.35037},
language = {en},
url = {http://dml.mathdoc.fr/item/05165192}
}
Gushchin, A.K. On the interior smoothness of solutions to second-order elliptic equations.. Sibirskij Matematicheskij Zhurnal, Tome 46 (2005) pp. 1036-1052. http://gdmltest.u-ga.fr/item/05165192/