TY  - JOUR
AU  - Rachůnková, Irena
TI  - A four-point problem for differential equations of the second order
JO  - Archivum mathematicum
PY  - 1989
SP  - 175
EP  - 184
VL  - 25
IS  - 4
UR  - http://geodesic.mathdoc.fr/item/ARM_1989_25_4_a0/
LA  - en
ID  - ARM_1989_25_4_a0
ER  -