Rosca, Radu <br/><br/>
Geometria diferentiala a congruentelor in spatiul eliptic. 

 - Bucarest (Rumānia):  Editura Academiei Republicii Socialiste Romānia,  1969. 
 - 208 p.:  21 cm. 
<br/><br/>Bibliography: p. [205]-208. 
<br/><br/><label>LCCN: </label>81463788 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry, Differential.<br/>Congruences (Geometry)<br/>Elliptic space.
<br/><br/><label>Dewey Class. No.: </label>516.36  / R791g