TY  - JOUR
AU  - Kemp, R.R.D.
TI  - On Periodic Solutions of x′′′ + ax′′ + b′ + g(x) = 0
JO  - Canadian mathematical bulletin
PY  - 1967
SP  - 75
EP  - 77
VL  - 10
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1967-008-6/
DO  - 10.4153/CMB-1967-008-6
ID  - 10_4153_CMB_1967_008_6
ER  -