@article{10_21136_AM_1968_103154,
     author = {Stetter, Hans J.},
     title = {Richardson-extrapolation and optimal estimation},
     journal = {Applications of Mathematics},
     pages = {187--190},
     publisher = {mathdoc},
     volume = {13},
     number = {2},
     year = {1968},
     doi = {10.21136/AM.1968.103154},
     mrnumber = {0230447},
     zbl = {0155.19704},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/AM.1968.103154/}
}