Convergence of Associated Continued Fractions Revised E. K. IfantisP. N. Panagopoulos OriginalPaper Pages: 1 - 24
The Inverse Problem of the Calculus of Variations for Sixth- and Eighth-order Scalar Ordinary Differential Equations Martin Juráš OriginalPaper Pages: 25 - 39
Reduction of Time-Dependent Systems Admitting a Superposition Principle José F. CariñenaJanusz GrabowskiArturo Ramos OriginalPaper Pages: 67 - 87
Solvable Symmetry Structures in Differential Form Applications M. A. BarcoG. E. Prince OriginalPaper Pages: 89 - 121