Columbia subject headings:
Differential equations, Partial.
Hypergeometric functions.
Riemann surfaces.
Singularities (Mathematics)
Harvard subject headings:
Differential equations, Partial.
Hypergeometric functions.
Riemann surfaces.
Singularities (Mathematics)
Princeton subject headings:
Differential equations, Partial.
Hypergeometric functions.
Riemann surfaces.
Singularities (Mathematics)