Growara Krishan Kumar <br/><br/>
Differential geometry of ruled surfaces and rectilinear congruences 

 -  1957 
<br/><br/><label>Standard No.: </label>3945 
<br/><br/><label>Source: </label> Theses 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MATHEMATICS