TY  - JOUR
AU  - Stephan Ruscheweyh
AU  - Roland Freund
TI  - On a Class of Chebyshev Approximation Problems Which Arise in Connection with a Conjugate Gradient Type Method.
JO  - Numerische Mathematik
PY  - 1986
SP  - 525
EP  - 542
VL  - 48
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/NUMA_1986__48_133085/
ID  - NUMA_1986__48_133085
ER  -