Dhami, H.S. creator text New Delhi New Age International Pvt Ltd Publishers 2001 monographic XV,386 p. ; Differential equations 515.3DHA 8122411460 (paperback) 9788122411461 (paperback) http://www.amazon.com/exec/obidos/ASIN/8122411460/chopaconline-20 http://www.amazon.com/exec/obidos/ASIN/8122411460/chopaconline-20