TY  - JOUR
AU  - Vlček, Vladimír
TI  - Conjugate points of solutions of a fourth-order iterated linear differential equation
JO  - Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica
PY  - 1977
SP  - 95
EP  - 122
VL  - 16
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AUPO_1977__16_1_a7/
LA  - en
ID  - AUPO_1977__16_1_a7
ER  -