@article{NUMA_1964__6_131605,
     author = {D. SUSCHOWK},
     title = {Difference {Analogues} of {Green's} {Identities} for {Grids} in {Rn.}},
     journal = {Numerische Mathematik},
     pages = {200--210},
     year = {1964},
     volume = {6},
     zbl = {0208.42002},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1964__6_131605/}
}