SV Astashkin,
GP Curbera - arXiv preprint arXiv:2006.00936, 2020 - arxiv.org
Let $ E $ be a rearrangement invariant (ri) function space on $[0, 1] $, and let $ Z_E $
consist of all measurable functions $ f $ on $(0,\infty) $ such that $ f^*\chi_ {[0, 1]}\in E $ and …