Einar Hille has written:
'Analytic function theory' -- subject(s): Analytic functions,
Functional analysis, Functions
'Analytic Function Theory (CHEL/270)'
'First-year calculus' -- subject(s): Calculus
'Some problems concerning spherical harmonics' -- subject(s):
Spherical harmonics
'Functional analysis and semi-groups' -- subject(s): Functional
analysis, Topology, Semigroups