TY  - JOUR
AU  - Ukpera, Awar Simon
TI  - Periodic solutions of certain third order differential systems with nonlinear dissipation
JO  - Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica
PY  - 2002
SP  - 147
EP  - 159
VL  - 41
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AUPO_2002__41_1_a13/
LA  - en
ID  - AUPO_2002__41_1_a13
ER  -