Zhiganova G. S.
Ukr. Mat. Zh. - 2008. - 60, № 8. - pp. 1119 – 1127
We obtain the exact Jackson-type inequalities for approximations in L2 (R) of functions f∈ L2 (R)
with the use of partial sums of the wavelet series in the case of the Meyer wavelets and the Shannon–Kotelnikov wavelets.