Selivanova S. A.
On the connection between certain inequalities of the Kolmogorov type for periodic and nonperiodic functions
Ukr. Mat. Zh. - 1999. - 51, № 2. - pp. 147–157
We obtain nonperiodic analogs of the known inequalities that estimateL p -norms of intermediate derivatives of a periodic function in terms of itsL ∞-norms and higher derivative.