Livsic, Moshe S. <br/><br/>
Commuting nonself-adjoint operators in Hilbert space  ; two independent studies / 

 - Berlin:  Springer-Verlag,  1987 
 - 114p. 
 - Lecture notes in Mathematics ; 1272 .
<br/><br/><label>Dewey Class. No.: </label>515.72  / L788.CN