BISWAS, MD. ELIAS UDDIN  <br/><br/>
COSMIC STRING IN THEORY OF GENERAL RELATIVITY : 
MD. ELIAS UDDIN BISWAS 
 - Rajshahi :  Department of Mathematics, University of Rajshahi,  1997 
 - viii, 113 leaves :  29 cm. 
<br/><br/>Thesis (Ph. D.) -- Department of Mathematics, University of Rajshahi,1997 
<br/><br/>References: Leaves 109-113 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Topology
<br/><br/><label>Dewey Class. No.: </label>514  / BIC 1997