Sikorski, Roman. <br/><br/>
Advanced calculus :  functions of several variables / 
Roman Sikorski. 
 - Warszawa :  PWN-Polish Scientific Publishers,  1969. 
 - 460 p. : 
<br/><br/> Errata slip inserted. 
<br/><br/><label>ISBN: </label>1426 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calculus.
<br/><br/><label>Dewey Class. No.: </label>515.84  / Ad