Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{NUMA_1990__57_6-7_133431, author = {Zbigniew Leyk}, title = {Galerkin {Method} and {Optimal} {Error} {Algorithms} in {Hilbert} {Spaces.}}, journal = {Numerische Mathematik}, pages = {1--14}, publisher = {mathdoc}, volume = {57}, number = {6-7}, year = {1990}, zbl = {0672.65030}, url = {http://geodesic.mathdoc.fr/item/NUMA_1990__57_6-7_133431/} }
Zbigniew Leyk. Galerkin Method and Optimal Error Algorithms in Hilbert Spaces.. Numerische Mathematik, Tome 57 (1990) no. 6-7, pp. 1-14. http://geodesic.mathdoc.fr/item/NUMA_1990__57_6-7_133431/