Gaines, Robert E. and Mawhin, Jean L. <br/><br/>
Coincidence degree and nonlinear differential equations   

 - Berlin  Springer-Verlag  1977 
 - 262p. Index 
 - Lecture notes in Mathematics   568 .
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<br/><br/><label>Dewey Class. No.: </label>515.35  / G142.CD