TY  - JOUR
AU  - Darzi, R.
AU  - Agheli, B.
TI  - An optimal analytical method for nonlinear boundary value problems based on method of variation of parameter
JO  - Journal of New Researches in Mathematics
VL  - 3
IS  - 4
SP  - 55
EP  - 70
PY  - 2018
DO  - 
ER  -