Janardhanan Pillai. (1991). ABC series in mathematics (2.). Ajith Book Centre.
Chicago Edition CitationJanardhanan Pillai. ABC Series in Mathematics. 2. Ottapalam: Ajith Book Centre, 1991.
MLA Edition CitationJanardhanan Pillai. ABC Series in Mathematics. 2. Ajith Book Centre, 1991.
Warning: These citations may not always be 100% accurate.