Approximate Symmetry in Nonlinear Physics Problems
One-Dimensional Flows of a Polytropic Gas:Lie Group
Classification, Conservation Laws, Invariant and Conservative
Difference Schemes
Hamiltonian Structure and Conservation Laws of Three-Dimensional Linear Elasticity Theory
Complex Methods for Lie Symmetry Analysis
Symmetry Analysis and Conservation Laws of a Family of Boussinesq Equations
Group Analysis of the Guant and Pu Model of Option Pricing and Hedging
On Involutive Systems of Partial Differential Equations
Group Analysis of Some Camassa-Hohn-Type Equations
Partial Invariance and Problems with Free Boundaries
Group Properties of the Riemaun Function
