Chapter 43
An introduction to Ordinary Differential Equations. Earl A. Coddington. Dover. NY 1961

43.1 Chapter 1.3 Introduction– Linear equations of First Order. Page 38
43.2 Chapter 1.6 Introduction– Linear equations of First Order. Page 41
43.3 Chapter 1. Introduction– Linear equations of First Order. Page 45
43.4 Chapter 2. Linear equations with constant coefficients. Page 52
43.5 Chapter 2. Linear equations with constant coefficients. Page 59
43.6 Chapter 2. Linear equations with constant coefficients. Page 69
43.7 Chapter 2. Linear equations with constant coefficients. Page 74
43.8 Chapter 2. Linear equations with constant coefficients. Page 79
43.9 Chapter 2. Linear equations with constant coefficients. Page 83
43.10 Chapter 2. Linear equations with constant coefficients. Page 89
43.11 Chapter 2. Linear equations with constant coefficients. Page 93
43.12 Chapter 3. Linear equations with variable coefficients. Page 108
43.13 Chapter 3. Linear equations with variable coefficients. Page 121
43.14 Chapter 3. Linear equations with variable coefficients. Page 124
43.15 Chapter 3. Linear equations with variable coefficients. Page 130
43.16 Chapter 4. Linear equations with Regular Singular Points. Page 149
43.17 Chapter 4. Linear equations with Regular Singular Points. Page 154
43.18 Chapter 4. Linear equations with Regular Singular Points. Page 159
43.19 Chapter 4. Linear equations with Regular Singular Points. Page 166
43.20 Chapter 4. Linear equations with Regular Singular Points. Page 182
43.21 Chapter 5. Existence and uniqueness of solutions to first order equations. Page 190
43.22 Chapter 5. Existence and uniqueness of solutions to first order equations. Page 198
43.23 Chapter 6. Existence and uniqueness of solutions to systems and nth order equations. Page 238
43.24 Chapter 6. Existence and uniqueness of solutions to systems and nth order equations. Page 250
43.25 Chapter 6. Existence and uniqueness of solutions to systems and nth order equations. Page 254