TY - JOUR AU - V. N. Temlyakov TI - On a~way of obtaining lower estimates for the errors of quadrature formulas JO - Sbornik. Mathematics PY - 1992 SP - 247 EP - 257 VL - 71 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_1992_71_1_a14/ LA - en ID - SM_1992_71_1_a14 ER -