TY  - JOUR
AU  - Kelman, Robert B.
AU  - Jr, Chester A. Koper
TI  - Least squares approximations for dual trigonometric series
JO  - Glasgow mathematical journal
PY  - 1973
SP  - 111
EP  - 119
VL  - 14
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.1017/S0017089500001841/
DO  - 10.1017/S0017089500001841
ID  - 10_1017_S0017089500001841
ER  -