On bounds for parameters $n$-noded solutions of Sturm-Liouville equations
Author:
J. K. L. MacDonald
Journal:
Bull. Amer. Math. Soc. 45 (1939), 164-171
DOI:
https://doi.org/10.1090/S0002-9904-1939-06931-0
MathSciNet review:
1563932
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