@article{ASNSP_1967_3_21_4_599_0,
     author = {Aubin, Jean Pierre},
     title = {Behavior of the error of the approximate solutions of boundary value problems for linear elliptic operators by {Galerkin's} and finite difference methods},
     journal = {Annali della Scuola Normale Superiore di Pisa - Scienze Fisiche e Matematiche},
     pages = {599--637},
     publisher = {Scuola normale superiore},
     volume = {Ser. 3, 21},
     number = {4},
     year = {1967},
     mrnumber = {233068},
     zbl = {0276.65052},
     language = {en},
     url = {http://archive.numdam.org/item/ASNSP_1967_3_21_4_599_0/}
}