Theory and application of Liapunov's direct method. /
English ed. prepared by Siegfried H. Lehnigk. Translation: Hans H. Hosenthien [and] Siegfried H. Lehnigk.
- Englewood Cliffs, N.J. : Prentice-Hall, 1963.
- 182 p. ; 24 cm.
- Prentice-Hall international series in applied mathematics .
- 531.3 .