Separation theorems for the Eigenvalues of partial differential equations
By: Alexander Weinstein.
Contributors: U.S. Naval Ordnance Laboratory, White Oak, Md
Series: U.S. Naval Ordnance Laboratory. Memorandum -- 9589
Publisher: U.S. Naval Ordnance Laboratory
Published: 1948
Place of publication: White Oak, Md
Number of pages: 10