TY  - JOUR
TI  - Lectures presented at Winter school. Section of analysis
JO  - Acta Universitatis Carolinae. Mathematica et Physica
PY  - 1999
SP  - 23
EP  - 24
VL  - 40
IS  - 2
PB  - mathdoc
UR  - https://geodesic-test.mathdoc.fr/item/AUCMP_1999__40_2_a2/
LA  - en
ID  - AUCMP_1999__40_2_a2
ER  -