Gerretsen, Johan C. H.  1907- <br/><br/>
Lectures on tensor calculus and differential geometry / 
Johan C. H. Gerretsen 
 - Groningen :  P. Noordhoff,  c1962. 
 - xii, 202 p. ;  25 cm. 
<br/><br/>Includes bibliographies and indexes. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calculus of tensors.<br/>Generalized spaces.<br/>Geometry, Differential.
<br/><br/><label>Dewey Class. No.: </label>515.63  / GEL 1962