TY  - JOUR
AU  - Vu Quoc Phóng
TI  - The operator equation AX - XB = C with unbounded operators A and B and related abstract Cauchy problems.
JO  - Mathematische Zeitschrift
PY  - 1991
SP  - 567
EP  - 588
VL  - 208
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZ_1991__208_3_174337/
ID  - MZ_1991__208_3_174337
ER  -