TY - JOUR AU - I. A. Shakirov TI - On an approach to the investigation of quadrature formulas of the highest degree of accuracy JO - Konstruktivnaya Teoriya Funktsii i Funktsional'nyi Analiz PY - 1992 SP - 91 EP - 95 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/KUKTF_1992_a8/ LA - ru ID - KUKTF_1992_a8 ER -