TY  - JOUR
AU  - Ohriska, Ján
TI  - Oscillatory and asymptotic properties of third and fourth order linear differential equations
JO  - Czechoslovak Mathematical Journal
PY  - 1989
SP  - 215
EP  - 224
VL  - 39
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1989.102296/
DO  - 10.21136/CMJ.1989.102296
LA  - en
ID  - 10_21136_CMJ_1989_102296
ER  -