TY - BOOK AU - Dickinson,Alice (Braunlich) TI - Differential equations: theory and use in time and motion U1 - 515.35 23 PY - 1972/// CY - Massachusetts PB - Addison-Wesley pub. Company KW - Differential equations KW - Phương trình vi phân KW - Diffirential KW - Equations KW - Mathematics N1 - First-order equations -- Second-order linear equations -- Series solutions -- Existence theorems ER -