Columbia subject headings:
Differential equations, Linear--Numerical solutions--Congresses.
Differential equations, Partial--Numerical solutions--Congresses.
Harvard subject headings:
Differential equations, Linear--Numerical solutions--Congresses.
Differential equations, Partial--Numerical solutions--Congresses.
Princeton subject headings:
Differential equations, Linear--Numerical solutions--Congresses.
Differential equations, Partial--Numerical solutions--Congresses.