TY - JOUR AU - A.H. STROUD TI - Some Approximate Integration Formulas of Degree 3 for an n-Dimensional Simplex. JO - Numerische Mathematik PY - 1966 SP - 38 EP - 45 VL - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NUMA_1966__9_131724/ ID - NUMA_1966__9_131724 ER -