Ivanova, N.M.; Popovych, R.O.; Sophocleous, C.; … - In: Physica A: Statistical Mechanics and its Applications 388 (2009) 4, pp. 343-356
transformations. Point and potential equivalence transformations are also applied to deriving new results on potential symmetries and …. The provenance of potential symmetries is explained for the porous medium equations by using potential equivalence …