TY  - JOUR
AU  - Regenda, Ján
TI  - Oscillation criteria for fourth-order linear differential equations
JO  - Mathematica slovaca
PY  - 1979
SP  - 3
EP  - 16
VL  - 29
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MASLO_1979__29_1_a0/
LA  - en
ID  - MASLO_1979__29_1_a0
ER  -