1. Bahri, A.: Critical points at Infinity in Some Variational Problems Pitman, 1989. Research Notes in Mathematics Series, p. 182 (1988)
2. Szulkin, A., Weth, T.: The method of Nehari manifold. In: Gao, D.Y., Motreanu, D. (eds.) Handbook of Nonconvex Analysis and Applications, pp. 597–632. International Press, Boston (2010)
3. Pinamonti, A., Squassina, M., Vecchi, E.: The Maz’ya–Shaposhnikova limit in the magnetic setting. J. Math. Anal. Appl. 449, 1152–1159 (2017)
4. Pinamonti, A., Squassina, M., Vecchi, E.: Magnetic BV functions and the Bourgain–Brezis–Mironescu formula. Adv. Calc. Var. (2017). https://doi.org/10.1515/acv-2017-0019.2
5. Zhang, B., Squassina, M., Zhang, X.: Fractional NLS equations with magnetic field, critical frequency and critical growth. Manuscr. Math. 155(1–2), 115–140 (2018)