TY  - JOUR
AU  - Palumbíny, Oleg
TI  - On oscillation criteria of fourth order linear differential equations
JO  - Czechoslovak Mathematical Journal
PY  - 2003
SP  - 467
EP  - 477
VL  - 53
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMJ_2003__53_2_a19/
LA  - en
ID  - CMJ_2003__53_2_a19
ER  -