@mastersthesis{mastersthesisf0215503,
title   = {Central extensions and Symplectic Geometry},
author = {Silva, Pedro Henrique Carvalho and Mencattini, Igor},
year = {2020},
doi = {10.11606/D.55.2020.tde-19032020-093555},
school = {Universidade de São Paulo}
}