De Figueiredo, D.G & Honig, C.S (eds) <br/><br/>
Differential equations  proceedings of the 1st latin american school of differential equations, held at sao paulo, brazil, june 29-july 17, 1981 
Ed by D.G. De Figueiredo & C.S. Honig 
 - Berlin  Springer  1982 
 - viii  301 
 - Lecture notes in mathematics 957 .
<br/><br/><label>ISBN: </label>3540107029 
<br/><br/><label>Dewey Class. No.: </label>6.01+22  / DEFI