Kiwial, Krzysztof C. <br/><br/>
Methods of descent for nondifferentiable optimization   

 - Berlin  Springer-Verlag  1985 
 - vi, 362p. Index 
 - Lecture notes in Mathematics   1133 .
<br/><br/>  
<br/><br/><label>Dewey Class. No.: </label>519.91  / K62.MD