Completeness and basis properties of sets of special functions / J. R. Higgins. Higgins, J. R. (John Rowland), 1935- Functions, Special. Series, Orthogonal. Lp spaces. QA351 .H57 515.5 HIC Includes index. Bibliography: p. 126-129. Cambridge [Eng.] ; New York : Cambridge University Press, 1977. 1977. 1977 Text x, 134 p. ; http://www.loc.gov/catdir/toc/cam051/76019630.html http://www.loc.gov/catdir/description/cam041/76019630.html eng Cambridge tracts in mathematics ; 72