TY  - JOUR
AU  - Rovder, Jozef
TI  - Oscillatory properties of the fourth order linear differential equation
JO  - Mathematica slovaca
PY  - 1983
SP  - 371
EP  - 379
VL  - 33
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MASLO_1983__33_4_a6/
LA  - en
ID  - MASLO_1983__33_4_a6
ER  -