Lebesgue, Henri Léon,  1875-1941. <br/><br/>
Les coniques/ 
préface de m. Paul Montel. 
 - Paris:  Gauthier-Villars,  1942. 
 - vii, 187 p., 2 l.:  diagrs.;  26 cm. 
<br/><br/> At head of title: Henri Lebesgue.  "Preface" signed: Paul Moutel. 
<br/><br/><label>LCCN: </label>45015384 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Conic sections.
<br/><br/><label>Dewey Class. No.: </label>516.1  / L443c