Huang, J., Li, P., Liu, Y. and Xin, J. 2020. The characterizations of Hardy–Sobolev spaces by fractional square functions related to Schrödinger operators. Annales Fennici Mathematici. 45, 2 (Aug. 2020), 607–623. DOI:https://doi.org/10.5186/aasfm.2020.4530.