PERVIN, MST. RAZIA NEW APPROXIMATE SOLUTION OF NON-LINEAR DIFFERENTIAL SYSTEMS / By MST. RAZIA PERVIN. - Rajshahi : Department of Mathematics, Rajshahi University, 2014. - [1], vii, 60 leaves ; 29 cm. Thesis (M.Phil) -- Department of Mathematics, R. U. , 2014 References: Leaves 54-60 Subjects--Topical Terms: Nonlinear differntial equations--Approximate solution Dewey Class. No.: 515.355 / PEN 2014