TY  - BOOK
AU  - Kraus, Karl.
TI  - Lecture notes in physics 190:States,effects,and operations:fundamental Notions of quantum theory / 
SN  - 3-540-12732-1
U1  - CN1 
CY  - Berlin : 
PB  - Springer-Verlag.
KW  - Representation Theorem
ER  -