A remark on the asymptotic behavior of the solution of $\ddddot x + f\left( {\ddot x} \right)\dddot x + \phi \left( {\dot x,\ddot x} \right) + g\left( {\dot x} \right) + h\left( x \right) = p\left( {t,x,\dot x,\ddot x,\dddot x} \right)$
@article{1195519620,
author = {Hara, Tadayuki},
title = {A remark on the asymptotic behavior of the solution of $\ddddot x + f\left( {\ddot x} \right)\dddot x + \phi \left( {\dot x,\ddot x} \right) + g\left( {\dot x} \right) + h\left( x \right) = p\left( {t,x,\dot x,\ddot x,\dddot x} \right)$},
journal = {Proc. Japan Acad.},
volume = {48},
number = {10},
year = {1972},
pages = { 353-355},
language = {en},
url = {http://dml.mathdoc.fr/item/1195519620}
}
Hara, Tadayuki. A remark on the asymptotic behavior of the solution of $\ddddot x + f\left( {\ddot x} \right)\dddot x + \phi \left( {\dot x,\ddot x} \right) + g\left( {\dot x} \right) + h\left( x \right) = p\left( {t,x,\dot x,\ddot x,\dddot x} \right)$. Proc. Japan Acad., Tome 48 (1972) no. 10, pp. 353-355. http://gdmltest.u-ga.fr/item/1195519620/