W. N. Everitt

ON SOME PROPERTIES OF THE LEGENDRE TYPE DIFFERENTIAL EXPRESSION

Lance L. Littlejohn, Allan M. Krall, A. Krall, 1990 .

Differential operators and the Legendre type polynomials

Lance L. Littlejohn, L. Littlejohn, W. N. Everitt, 1988, Differential and Integral Equations.

H.J.S. Smith and the Fermat Two Squares Theorem

Lance L. Littlejohn, W. N. Everitt, L. Littlejohn, 1999 .

Allan M. Krall, Linear Methods of Applied Analysis (Addison-Wesley/Benjamin, Reading, Massachusetts, 1973), $16.00 (cloth), $9.50 (soft cover).

W. N. Everitt, 1974 .

The left-definite spectral theory for the classical Hermite differential equation

Lance L. Littlejohn, W. N. Everitt, L. Littlejohn, 2000 .

Orthogonal polynomials and approximation in Sobolev spaces

Lance L. Littlejohn, S. C. Williams, W. N. Everitt, 1993 .

Some comments on Sturm-Liouville eigenvalue problems with interior singularities

J. Gunson, A. Zettl, J. Gunson, 1987 .

Legendre polynomials, Legendre--Stirling numbers, and the left-definite spectral analysis of the Legendre differential expression

Lance L. Littlejohn, W. N. Everitt, L. Littlejohn, 2002 .