TY  - JOUR
AU  - F. Gesztesy
AU  - K. A. Makarov
TI  - $\mathrm{SL}_2(\mathbb R)$, exponential Herglotz representations, and spectral averaging
JO  - Algebra i analiz
PY  - 2003
SP  - 104
EP  - 144
VL  - 15
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AA_2003_15_3_a2/
LA  - ru
ID  - AA_2003_15_3_a2
ER  -