Sz-Nagy, B <br/><br/>
Extensions of linear transformations in hilbert space which extend beyond this space  appendix to functional analysis' by F. Riesz & B. Sz-Nagy 
B. Sz-Nagy 
 - New York  Frederick  1960 
 - 36 
<br/><br/><label>Dewey Class. No.: </label>5.01  / Sz-Na