Hahn, W. (1963). Theory and application of Liapunov's direct method. Prentice-Hall.
Citazione stile Chigago Style (17a edizione)Hahn, Wolfgang. Theory and Application of Liapunov's Direct Method. Englewood Cliffs: Prentice-Hall, 1963.
Citatione MLA (9a ed.)Hahn, Wolfgang. Theory and Application of Liapunov's Direct Method. Prentice-Hall, 1963.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.