• [1] F. V. Atkinson, The asymptotic solution of second order differential equations, Ann. Mat. Pura Appl. (4) 37 (1954), 347-378. MR 0067289 (16:701f)
• [2] P. Hartman, On the zeros of solutions of second order linear differential equations, J. London Math. Soc. 27 (1952), 492-496. MR 0050112 (14:278a)
• [3] R. B. Kelman and N. K. Madsen, Stable motions of the linear adiabatic oscillator, J. Math. Anal. Appl. (to appear). MR 0223646 (36:6694)

Bibliography

[1]

F. V. Atkinson, The asymptotic solution of second order differential equations, Ann. Mat. Pura Appl. (4) 37 (1954), 347-378. MR 0067289 (16:701f)

[2]

P. Hartman, On the zeros of solutions of second order linear differential equations, J. London Math. Soc. 27 (1952), 492-496. MR 0050112 (14:278a)

[3]

R. B. Kelman and N. K. Madsen, Stable motions of the linear adiabatic oscillator, J. Math. Anal. Appl. (to appear). MR 0223646 (36:6694)