Ioffe, A. D. <br/><br/>
Theory of external problems  / 

 - Amsterdam:  North-Holland,  1979 
 - xii, 460p. Index 
 - Studies in Mathematics and its applications ; 6 .
<br/><br/> "Translated from Russian by K. Makowski" 
<br/><br/><label>Dewey Class. No.: </label>515.64  / Io64.TE