Foradifferentialequation,atheoreticalproofoftherelationshipbetweenthesymmetryandtheone-parameterinvariantgroupisgiven;therelationshipbetweensymmetryandthegroup-invariantsolutionispresented.Asamapplication,somesolutionsoftheKdVequationarediscussed.
高校应用数学学报:英文版(B辑)
1994年4期