TY  - JOUR
AU  - Albert Schneider
AU  - Frank Mantlik
TI  - Note on the absolutely continuous spectrum of Sturm-Liouville operators.
JO  - Mathematische Zeitschrift
PY  - 1990
SP  - 491
EP  - 498
VL  - 205
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZ_1990__205_3_174190/
ID  - MZ_1990__205_3_174190
ER  -