Veblen, Oswald  1880-1960. <br/><br/>
Invariants of quadratic differential forms/ 
by Oswald Veblen. 
 - Cambridge, UK:  The University press,  [1952 reprint of 1927]. 
 - viii, 102 p.:  22 cm. 
 - Cambridge tracts in mathematics and mathematical physics;  no. 24. .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential forms.<br/>Differential invariants.
<br/><br/><label>Dewey Class. No.: </label>516.362   / V395i