@article{GDZPPN002348985,
title = {Inequalities for the Green Function and Boundary Continuity of the Gradient of Solutions of Elliptic Differential Equations.},
journal = {Mathematica Scandinavica},
volume = {20},
year = {1967},
pages = {17-37},
zbl = {0164.13101},
url = {http://dml.mathdoc.fr/item/GDZPPN002348985}
}
Widman, Kjell-Ove. Inequalities for the Green Function and Boundary Continuity of the Gradient of Solutions of Elliptic Differential Equations.. Mathematica Scandinavica, Tome 20 (1967) pp. 17-37. http://gdmltest.u-ga.fr/item/GDZPPN002348985/