TY - BOOK T1 - Ordinary differential equations and stability theory : an introduction A1 - Sanchez, David A. LA - English PP - New York PB - Dover YR - 1968 UL - http://vufind10-pruebas.sigbunlp.bibliotecas.unlp.edu.ar/Record/dfi.12256 OP - 164 SN - 0486638286 KW - ECUACIONES DIFERENCIALES ORDINARIAS ER -