Karpilovsky, Gregory <br/><br/>
The schur multiplier. 

 - Oxford; N.Y.; Toronto:  Oxford University Press,  1987. 
 - xiv,302p.; 24cm 
<br/><br/>"N" 
<br/><br/><label>ISBN: </label>"0 19 853554 6" 
<br/><br/><label>Subjects--Topical Terms: </label><br/>1. Group theory 2. Homology theory 
<br/><br/><label>Subjects--Index Terms: </label>"Y" 
<br/><br/><label>LC Class. No.: </label>QA171  / .K37