Schaefer, Barbara Birsch <br/><br/>
Classification of the literature of mathematics :  a comparative analysis of the american library of congress schemes 

 -  Pittsburgh University,  1972 
<br/><br/> Micropelícula 
<br/><br/>Ph.D. 
<br/><br/><label>Subjects--Index Terms: </label>Clasificacion de Literatura Matemática