Stability of a canonical system with two degrees of freedom in the presence op resonance: PMM vol. 32, n≗4, 1968, pp. 738–744
- 31 December 1968
- journal article
- Published by Elsevier in Journal of Applied Mathematics and Mechanics
- Vol. 32 (4) , 766-772
- https://doi.org/10.1016/0021-8928(68)90108-1