@article{EJDE_2003__2003__a198,
     author = {Hern\'andez M.,  Eduardo},
     title = {Existence of solutions to a second order partial differential equation with nonlocal conditions},
     journal = {Electronic journal of differential equations},
     year = {2003},
     volume = {2003},
     zbl = {1041.35045},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2003__2003__a198/}
}