Columbia subject headings:
Differential equations--Asymptotic theory--Congresses.
Differential equations--Numerical solutions--Congresses.
Harvard subject headings:
Differential equations--Asymptotic theory--Congresses.
Differential equations--Numerical solutions--Congresses.
Princeton subject headings:
Differential equations--Asymptotic theory--Congresses.
Differential equations--Numerical solutions--Congresses.