@article{SM_2003_194_10_a6,
     author = {E. D. Nursultanov and N. T. Tleukhanova},
     title = {Quadrature formulae for classes of functions of low smoothness},
     journal = {Sbornik. Mathematics},
     pages = {1559--1584},
     year = {2003},
     volume = {194},
     number = {10},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2003_194_10_a6/}
}