Some Bernstein-type inequalities for trigonometric polynomials. (English. Russian original) Zbl 0805.42001
Ukr. Math. J. 45, No. 3, 457-460 (1993); translation from Ukr. Mat. Zh. 45, No. 3, 428-430 (1993).
Reviewer: L.Leindler (Szeged)
MSC:
42A05