TY  - JOUR
AU  - Preiss, D.
AU  - Thomson, B. S.
TI  - The Approximate Symmetric Integral
JO  - Canadian journal of mathematics
PY  - 1989
SP  - 508
EP  - 555
VL  - 41
IS  - 3
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1989-023-8/
DO  - 10.4153/CJM-1989-023-8
ID  - 10_4153_CJM_1989_023_8
ER  -