@article{EJDE_2005__2005__a292, author = {Tun\c{c}, Ercan}, title = {Instability of solutions of certain nonlinear vector differential equations of third order}, journal = {Electronic Journal of Differential Equations}, publisher = {mathdoc}, volume = {2005}, year = {2005}, language = {en}, url = {http://geodesic.mathdoc.fr/item/EJDE_2005__2005__a292/} }