Existence and uniqueness of optimal weighted quadrature formulas of a~certain form
Izvestiâ vysših učebnyh zavedenij. Matematika, no. 3 (1990), pp. 70-73.

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@article{IVM_1990_3_a10,
     author = {E. E. Dunaichuk},
     title = {Existence and uniqueness of optimal weighted quadrature formulas of a~certain form},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {70--73},
     publisher = {mathdoc},
     number = {3},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1990_3_a10/}
}
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E. E. Dunaichuk. Existence and uniqueness of optimal weighted quadrature formulas of a~certain form. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 3 (1990), pp. 70-73. http://geodesic.mathdoc.fr/item/IVM_1990_3_a10/