Salvioli, Sarah E. <br/><br/>
On the theory of geometric objects /   
Sarah E. Salvioli. 
 - Pensilvania :   Universidad de Lehigh,   1972. 
 - 22 p. 
<br/><br/> Reprinted from Journal of Differential Geometry. Vol.7, 1 y 2 Sept. 1972, pp.257-278. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>GEOMETRIA DIFERENCIAL<br/>OBJETOS GEOMETRICOS
<br/><br/><label>Universal Decimal Class. No.: </label>514.7