TY - JOUR AU - Stetter, Hans J. TI - Richardson-extrapolation and optimal estimation JO - Applications of Mathematics PY - 1968 SP - 187 EP - 190 VL - 13 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1968.103154/ DO - 10.21136/AM.1968.103154 LA - en ID - 10_21136_AM_1968_103154 ER -