60 Complex analysis
61 Theory of function of one complex variable. Analytical and pseudo-analytical functions
62 Entire functions. Meromorphic functions
63 Algebraic modular, elliptic, automorphic, multi-periodic functions. Abelian functions. Kleinian groups
64 Power and Dirichelet series. Non-harmonic Fourier series
65 Conformal mapping. Riemann surfaces. Geometric theory of functions
66 Polynomial approximation and interpolation
67 Functions of several complex variables. Analytic spaces
68 Simple functions. Multivalent functions