1. Ambrose D.M.: Strong solutions for time-dependent mean field games with non separable Hamiltonians. J. Math. Pures Appl.113,(9) 141–154 (2018)
2. Abraham R., Robbin J.: Transversal Mappings and Flows. W. A. Benjamin Inc., New York-Amsterdam (1967)
3. Bambusi D.: On the Darboux theorem for weak symplectic manifolds. Proc. Amer. Math. Soc., 127(11), 3383–3391 (1999)
4. Berti M.: Nonlinear Oscillations of Hamiltonian PDEs Progress in Nonlinear Differential Equations and their Applications, 74. Birkhäuser Boston Inc., Boston, MA (2007)
5. Boussinesq J.: Thorie des ondes et des remous qui se propagent le long d’un canal rectangulaire horizontal, en communiquant au liquide contenu dans ce canal des vitesses sensiblement pareilles de la surface au fond. Jour. de Math. Pures et App. 17(2), 55–108 (1872)