TY  - JOUR
AU  - Miloje Rajović
AU  - Rade Stojiljković
TI  - The first, the second, and the third Liouville formula and periodical solutions of linear differential equation of the second order
JO  - Kragujevac Journal of Mathematics
PY  - 2007
SP  - 131 
EP  -  139
VL  - 30
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/KJM_2007_30_1_a8/
ID  - KJM_2007_30_1_a8
ER  -