@article{SM_1992_71_1_a14,
     author = {V. N. Temlyakov},
     title = {On a~way of obtaining lower estimates for the errors of quadrature formulas},
     journal = {Sbornik. Mathematics},
     pages = {247--257},
     publisher = {mathdoc},
     volume = {71},
     number = {1},
     year = {1992},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1992_71_1_a14/}
}