TY  - JOUR
AU  - B. Stanković
TI  - Approximate Solutions Of The Operator Linear Differential Equation I
JO  - Publications de l'Institut Mathématique
PY  - 1977
SP  - 185 
VL  - _N_S_21
IS  - 35
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/PIM_1977_N_S_21_35_a28/
ID  - PIM_1977_N_S_21_35_a28
ER  -