Pure mathematics 1 
Backhouse , J.K ,Houldsworth, S.P.T., Horril , P.J.F. 
 - 4th ed. 
 - Harlow;  Longman,  1985. 
 - xix,587 p,: 
<br/><br/><label>ISBN: </label>0582353866 
<br/><br/><label>LC Class. No.: </label>QA37  / .B32 1985