MARKLEY NELSON G. PRINCIPLES OF DIFFERENTIAL EQUATIONS : PURE AND APPLIED MATHEMATICS:A WILEY INTERSCIENCE SERIES OF TEXTS,MONOGRAPHS AND TRACTS / By MARKLEY NELSON G. - 1st Ed. - New delhi : Wiley, 2013. - 339p. ; 00 cm. ISBN: 9788126537563 Subjects--Topical Terms: LIFE SCIENCES. Dewey Class. No.: 570 / MAR