The Spectrum of Hill's Equation.
Inventiones mathematicae, Tome 30 (1975), pp. 217-274
@article{IM_1975__30_142350,
author = {P. van Moerbeke and H.P. McKean},
title = {The {Spectrum} of {Hill's} {Equation.}},
journal = {Inventiones mathematicae},
pages = {217--274},
year = {1975},
volume = {30},
zbl = {0319.34024},
url = {http://geodesic.mathdoc.fr/item/IM_1975__30_142350/}
}
P. van Moerbeke; H.P. McKean. The Spectrum of Hill's Equation.. Inventiones mathematicae, Tome 30 (1975), pp. 217-274. http://geodesic.mathdoc.fr/item/IM_1975__30_142350/