@inbook{inbook0f421eed,
title   = {Variational methods for Schrödinger type equations},
author = {Figueiredo, Giovany Malcher and Murcia, Edwin Gonzalo and Siciliano, Gaetano},
year = {2019},
doi = {10.1007/978-3-030-15242-0_16},
publisher = {Birkhäuser},
journal   = {Current trends in mathematical analysis and its interdisciplinary applications}
}