Inverse nodal problems : finding the potential from nodal lines /
Hald, Ole H.
McLaughlin, Joyce.
Providence, R.I. : American Mathematical Society,
1996.
"January 1996, volume 119, number 572 (end of volume)."
Includes bibliographical references.
Inverse problems (Differential equations)
Eigenvalues.
Asymptotic distribution (Probability theory)