Hahn, W. (1963). Theory and application of Liapunov's direct method. Prentice-Hall.
Dyfyniad Arddull ChicagoHahn, Wolfgang. Theory and Application of Liapunov's Direct Method. Englewood Cliffs: Prentice-Hall, 1963.
Dyfyniad MLAHahn, Wolfgang. Theory and Application of Liapunov's Direct Method. Prentice-Hall, 1963.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.