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"partial differential equation" » "partial differential equations", "partial difference equations"

1
by Bellman, N.D., Adomian, G.
Published 1985
Springer Netherlands
Table of Contents: ... and Partial Differential Equations -- IV / The Euler-Lagrange Equations and Characteristics -- V...

2
by Adomian, G.
Published 1994
Springer Netherlands
... ordinary or partial differential equations without the need to resort to linearization or perturbation...