@article{GDZPPN002092298,
title = {A W 2, 2 Bound for a Class of Elliptic Equations in Nondivergence Form with Rough Coefficients.},
journal = {Inventiones mathematicae},
volume = {34},
year = {1976},
pages = {55-60},
zbl = {0327.35023},
url = {http://dml.mathdoc.fr/item/GDZPPN002092298}
}
Chiti, Giuseppe. A W 2, 2 Bound for a Class of Elliptic Equations in Nondivergence Form with Rough Coefficients.. Inventiones mathematicae, Tome 34 (1976) pp. 55-60. http://gdmltest.u-ga.fr/item/GDZPPN002092298/