@misc{https://doi.org/10.48550/arxiv.1710.07826,
doi = {10.48550/ARXIV.1710.07826},
url = {https://arxiv.org/abs/1710.07826},
author = {Shvartsman,
Pavel},
keywords = {Functional Analysis (math.FA),
FOS: Mathematics,
FOS: Mathematics,
46E35},
title = {Sobolev functions on closed subsets of the real line},
publisher = {arXiv},
year = {2017},
copyright = {arXiv.org perpetual,
non-exclusive license} }