00000nam a2200000 a 4500 20251203115423.0 510 DHA Dharmarajan, R Tamizmani K.M Dept of Mathematics, Pondicherry University, Pondicherry Constructing nonlinear systems from linear systems:lie symmetry approach Dept of Mathematics, Pondicherry University, Pondicherry 68 Maths M.Phil ENG _ T811 C 210995 210995 0 0 0 0 PU PU 2012-06-22 796.00 0 510 DHA T811 BK