@article{KUKTF_1992_a1,
     author = {S. Ashur and R. N. Sharipov},
     title = {Quadrature formulas for singular {Hadamard} integrals},
     journal = {Konstruktivnaya Teoriya Funktsii i Funktsional'nyi Analiz},
     pages = {15--23},
     publisher = {mathdoc},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUKTF_1992_a1/}
}