Chapter 41
Ordinary differential equations and calculus of variations. Makarets and Reshetnyak. Wold Scientific. Singapore. 1995

41.1 Chapter 1. First order differential equations. Section 1.1 Separable equations problems. page 7
41.2 Chapter 1. First order differential equations. Section 1.2 Homogeneous equations problems. page 12
41.3 Chapter 1. First order differential equations. Section 1.3. Exact equations problems. page 24
41.4 Chapter 2. Linear homogeneous equations. Section 2.2 problems. page 95
41.5 Chapter 2. Linear homogeneous equations. Section 2.3.4 problems. page 104