Bhattacharya P.B <br/><br/>
Some properties of rectilinear congruences in general and of certain special congruence, with use of the Tensor calculus 

 -  1952 
<br/><br/><label>Standard No.: </label>624 
<br/><br/><label>Source: </label> Theses 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PHILOSOPHY