00716cam a22002531 4500 6564041 BD-DhUL 20140904161119.0 780920s1960 ilu 000 0 eng 62000955 (OCoLC)4240702 DLC IaDaMC DLC BD-DhUL premarc QA255 .L36 1960 517.8 LEC Ledermann, Walter, 1911-2009. Complex numbers / by Walter Ledermann. London : Routledge & Kegan Paul, 1962. 62 p. : ill. ; 18 cm. Library of mathematics. Numbers, Complex. 7 cbc oclcrpl u ncip 19 y-gencatlg ddc BK 8191 8191 0 0 ddc 1 517_800000000000000_LEC 0 NFIC 14342 DUSL DUSL GEN 1979-03-10 Gift 517.8 LEC A95136 2014-09-04 2014-09-04 BK