77.17 Chapter III. Ordinary linear differential equations with constant coefficients. Misc. Examples on chapter III at page 50

77.17.1 problem 1
77.17.2 problem 2
77.17.3 problem 3
77.17.4 problem 4
77.17.5 problem 5
77.17.6 problem 6
77.17.7 problem 7
77.17.8 problem 8
77.17.9 problem 9
77.17.10 problem 10
77.17.11 problem 11
77.17.12 problem 12
77.17.13 problem 13
77.17.14 problem 14