7 CHAPTER 18. Power series solutions. 18.9 Indicial Equation with Difference of Roots a Positive Integer: Logarithmic Case. Exercises page 384

7.1 problem 1
7.2 problem 2
7.3 problem 3
7.4 problem 4
7.5 problem 5
7.6 problem 6
7.7 problem 7
7.8 problem 9
7.9 problem 10 (as direct Bessel)
7.10 problem 10 (as series)
7.11 problem 11
7.12 problem 12
7.13 problem 13
7.14 problem 14