On the gaps in the spectrum of the Hill equation

Putnam, C. R.

doi:10.1090/qam/59430

Author: C. R. Putnam
Journal: Quart. Appl. Math. 11 (1954), 496-498
MSC: Primary 36.0X
DOI: https://doi.org/10.1090/qam/59430
MathSciNet review: 59430
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