Codington, Earl A. <br/><br/>
Regular boundary value problems associated with Paris of ordinary differential expression   

 - New York  Spinger-verlag  1981 
 - 223p. 
 - Lecture notes in mathematics  858 .
<br/><br/><label>ISBN: </label>3540107061 
<br/><br/><label>Subjects--Index Terms: </label>Boundary value problems  Calculas  Differntial equations  Mathematics 
<br/><br/><label>Universal Decimal Class. No.: </label>517.927  / COD