Derm 



10 | BLAGOVESHCHENSKY - " Theory of ship motions " - 

 Dover Publications , 1962 . 



11 | Austin BLAQUIERE - "Nonlinear system analysis " - 



- Academic Press - 1966 . 



12 | Otto GRIM - " Rollschwingungen , Stabilitat und Sicher - 

 heit im Seegang " - Forschungshefte fur Schiff stechnik - 



- Heft 1 , 1952 . - 



13 | J.E.KERWIN - " Notes on rolling in longitudinal waves " 



- International Shipbuilding Progress , vol. 2 , n° 16 , 

 1955 . 



J.R.PAULLING , R.M.ROSENBERG - " On unstable 

 ship motions resulting from nonlinear coupling " - 

 -Journal of Ship Research , vol . n° 3 , n° 1 , June 1959 . 



15 | "W.D.KINNEY - " On the unstable rolling motions of ships 

 resulting from nonlinear coupling with pitch including the 

 effect of damping in roll " . - Institute of Engineering 

 Research , University of California , Berkeley , October 

 1961 . 



16 | W.D.KINNEY - " On the normal modes of nonlinear cou- 

 pled ship motions and their stability " - Institute of 

 Engineering Research , University of California , Berke- 

 ley , August 1962 . 



17 | M.R.HADDARA - "On the stability of ship motions in 

 regular oblique waves " - International Shipbuilding 

 Progress , vol. 18 , November 1971 , n° 207 . 



18 | Robert CAMPBELL - " Theorie generale de 1' equation de 

 Mathieu " - Masson & Cie , Paris , 1955 . 



19 | MINORSKY - " On the stability of nonlinear non autono - 

 mous system " - Proceedings of the US National Congress 

 of Applied Mathematics "- 1954 - 



1074 



