Kofanov, V. A. 2000. “On Inequalities of the Landau–Kolmogorov–Hörmander Type on a Segment and Real Straight Line”.
Ukrains’kyi Matematychnyi Zhurnal
52 (12): 1676-88.
https://umj.imath.kiev.ua/index.php/umj/article/view/4571
.