Development of studies on the exact solution of extremal problems of the theory of best approximation

1990 ◽  
Vol 42 (1) ◽  
pp. 1-13 ◽  
Author(s):  
V. F. Babenko ◽  
A. A. Ligun
2021 ◽  
Vol 18 ◽  
pp. 102
Author(s):  
Ye.V. Derets

The error of the interval quadrature rectangle formula on the class of periodic functions with convex majorant of the integral modulus of continuity of even derivative are obtained.


1986 ◽  
Vol 47 (6) ◽  
pp. 1029-1034 ◽  
Author(s):  
J.C. Parlebas ◽  
R.H. Victora ◽  
L.M. Falicov

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