TY  - JOUR
AU  - J. H. He
TI  - Approximate analytical solution for certain strongly nonlinear oscillations by the variational iteration method
JO  - Sibirskij žurnal vyčislitelʹnoj matematiki
PY  - 2002
SP  - 57
EP  - 69
VL  - 5
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SJVM_2002_5_1_a5/
LA  - en
ID  - SJVM_2002_5_1_a5
ER  -