Columbia subject headings:
Harvard subject headings:
Approximation theory--Congresses
Calculus.
Fejér, Lipót, 1880-1958--Congresses.
Functions of complex variables--Congresses.
Functions of real variables--Congresses.
Operator theory--Congresses.
Riesz, Frigyes, 1880-1956--Congresses.
Series--Congresses.
Princeton subject headings:
Analytic functions--Congresses.
Operator theory--Congresses.
Series--Congresses.