TY  - JOUR
AU  - Afgan Aslanov
TI  - Existence of the Minimum and Maximum of Two Self-Adjoint Operators
JO  - Mathematica balkanica
PY  - 2005
SP  - 255
VL  - 19
IS  - 3-4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MABA_2005_19_3-4_a1/
ID  - MABA_2005_19_3-4_a1
ER  -