Akhiezer, N.I.
Theory of linear operators in Hilbert space /N.I. Akhiezer and I.M. Glazman ; translated from the Russian by Merlynd Nestell.
Frederick Ungar Publishing Co, 1963
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Schmüdgen, Konrad
Unbounded self-adjoint operators on Hilbert space
Springer, 2012
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Hilbert-Huang transform and its applications
World Scientific, 2014
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Hilbert-Huang transform and its applications
editors, Norden E. Huang, Samuel S.P. Shen
World Scientific, 2014
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Karnopp, Dean
System dynamics : a unified approach
John Wiley & Sons, 1975
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