Akhiezer, N.I & Glazman, I.M <br/><br/>
Theory of linear operators in hilbert space Vol.1  translated from russian by Marlynd Nestell 
N.I. Akhiezer & I.M. Glazman 
 - New York  Frederick  1961 
 - xi  147 
<br/><br/><label>Dewey Class. No.: </label>5.03  / AKHI