34.6 Chapter IX, Special forms of differential equations. Examples XVII. page 247

34.6.1 problem 1
34.6.2 problem 2
34.6.3 problem 3
34.6.4 problem 4
34.6.5 problem 5
34.6.6 problem 6
34.6.7 problem 7
34.6.8 problem 8
34.6.9 problem 9
34.6.10 problem 10
34.6.11 problem 11
34.6.12 problem 12
34.6.13 problem 15
34.6.14 problem 18
34.6.15 problem 19
34.6.16 problem 20
34.6.17 problem 21