Edge, W. L <br/><br/>
The theory of ruled surfaces 
by W. L. Edge 
 - Cambridge  Cambridge at the University Press  1931 
 - IX, 324 p  fig. si tab  28 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Teoria suprafetelor<br/>Geometrie diferentiala in spatii
<br/><br/><label>Dewey Class. No.: </label>514.752.4