1
by Kevorkian, J.K., Cole, J.D.
Published 1996
Springer New York
Table of Contents: ... Process Expansions for Ordinary Differential Equations -- 2.1. The Linear Oscillator -- 2.2. Linear...

2
by Bluman, G.W., Cole, J.D.
Published 1974
Springer New York
Table of Contents: ... Case of One dependent and Two Independent Variables -- 2.2. Formulation of Invariance in General -- 2.3...