TY - BOOK AU - CushingU,J.M. TI - Differential equations SN - 013044930X AV - QA371 CUS 2004 U1 - 515/.35 22 PY - 2004/// CY - Upper Saddle River, N.J. PB - Pearson Prentice Hall KW - Differential equations N1 - Includes index ER -