Best cubature formulas for some classes of continuous functions of two variables. (Ukrainian, English) Zbl 1224.41098
Ukr. Mat. Zh. 61, No. 4, 572-576 (2009); translation in Ukr. Math. J. 61, No. 4, 687-693 (2009).
Summary: The exact value of the error of a cubature formula is determined for some classes of continuous functions of two variables defined by the strictly monotone module of continuity.
