@article{KUKTF_1992_8_8_a8,
     author = {I. A. Shakirov},
     title = {On an approach to the investigation of quadrature formulas of the highest degree of accuracy},
     journal = {Konstruktivnaya Teoriya Funktsii i Funktsional'nyi Analiz},
     pages = {91--95},
     year = {1992},
     volume = {8},
     number = {8},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUKTF_1992_8_8_a8/}
}