S. Cingolani, M. Gallo:
On the fractional NLS equation and the effects of the potential well's
  topology
Advanced Nonlinear Studies Vol. 21, N. 1, p. 1-40, 2020

S. Cingolani, M. Gallo, K. Tanaka:
On fractional Schrödinger equations with Hartree type nonlinearities
Mathematics in Engineering Vol. 4, N. 6, p. 1-33, 2021

S. Cingolani, M. Gallo, K. Tanaka:
Normalized solutions for fractional nonlinear scalar field equations via
  Lagrangian formulation
Nonlinearity Vol. 34, N. 6, p. 4017-4056, 2021

S. Cingolani, M. Gallo, K. Tanaka:
Infinitely many free or prescribed mass solutions for fractional Hartree
  equations and Pohozaev identities
(preprint) 2023