@article{AM2_1969__2_182356,
     author = {P.G. CIARLET},
     title = {Discrete {Variational} {Green's} {Function.} {I} {(Short} {Communication)}},
     journal = {Aequationes mathematicae},
     pages = {401--402},
     publisher = {mathdoc},
     volume = {2},
     year = {1969},
     url = {http://geodesic.mathdoc.fr/item/AM2_1969__2_182356/}
}