TY  - JOUR
AU  - Rachůnková, Irena
TI  - Existence and uniqueness of solutions of four-point boundary value problems for 2nd order differential equations
JO  - Czechoslovak Mathematical Journal
PY  - 1989
SP  - 692
EP  - 700
VL  - 39
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1989.102346/
DO  - 10.21136/CMJ.1989.102346
LA  - en
ID  - 10_21136_CMJ_1989_102346
ER  -